Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

LOW PRICES and FAST SHIPPING SINCE 1999 !

99.5% Of All Items In Stock For Same Day Shipping!

Campbell Filter System Water Filters

Campbell Filter System Water Filters

Campbell Compatible Replacement Water Filters For Filtered Drinking Water Systems & Other Campbell Water Filter Systems

Campbell Compatible Replacement Water Filters, DIY Serice Parts and HELP Guides For Campbell DrinkingWater Systems.
  1. Pentek PCF1-10MB # 155273 PCF110MB DI Deionization Replacement Water Filter Cartridge
    Pentek PCF1-10MB # 155273 PCF110MB Deionization Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands
    Pentek PCF1-10MB # 155273 PCF110MB Deionization Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands Deionization Water Filter. FDA D.I. Resin. 9 3/4" long X 2 7/8" diameter. 6 per case, sold individually. Ametek # 155273 PCF Series cartridges have been developed in response to the requirements for deionized water in many industries. They are manufactured using an FDA-compliant resin that has been subjected to additional post-production steps to minimize the total organic carbon (TOC) level. This high capacity, semi-conductor-grade resin cartridges are ideal for use in pharmaceutical and medical laboratories, cosmetics and circuit board printing applications. Order a case and save even more.
    Learn More
    $38.99 Special Price $29.99 As low as $24.99
  2. GE Osmonics ® Purtrex PX-5-978 Sediment Replacement Water Filter # 93023
    GE Osmonics ® Purtrex PX-5-978 Sediment Water Filter # 93023
    GE Osmonics ® Purtrex PX-5-978 5 Micron Sediment Water Pre Filter. True-graded density pure polypropylene depth replacement water filter. # 93023 9 7/8" long X 2 1/2" diameter. 40 per case, sold individually. Order a case and save even more.
    Learn More
    $8.99 Special Price $5.99 As low as $3.99
  3. OMNIFILTER TO1 ® Taste / Odor 5 Micron Replacement Water Filter
    OMNIFILTER TO1 ® Taste / Odor 5 Micron Replacement Water Filter
    OMNIFILTER TO1 ® Taste / Odor Water Filter - 5 Micron chlorine taste/odor reduction - Fine sediment filter - reduces sand and rust particles. Fits Omnifilter whole house models. Order a full case and save even more.
    Learn More
    $9.99 Special Price $6.99 As low as $5.49
  4. Pentek CBC-10 Carbon Block Replacement Water Filter # 155162 CBC10
    Pentek CBC-10 Carbon Block Water Filter # 155162 CBC10 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner / Many Other Brands
    Pentek CBC-10 Carbon Block Water Filter # 155162 CBC10 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner / Many Other Brands. Half Micron Water Filter. (White End Caps) 9 3/4" long X 2 7/8" diameter. 12 per case, sold individually. Ametek # 155162 CBC Series cartridges are highly effective at reducing unwanted taste, odor, chlorine, certain VOC's and pesticides from potable drinking water. With a nominal 0.5-micron rating, they are equally effective at reducing Cryptosporidium and Giardia cysts, as well as fine sediment. They also make excellent polishing filters or pre-filters in applications requiring fine filtration and high capacity. Order a case and save even more.
    Learn More
    $18.99 Special Price $13.99 As low as $9.99
  5. GGN-10-2-1000
    GGN-10-2-Block Premium Quality Carbon Block Replacement Water Filter
    10 Micron Premium Carbon Block Filter. Replaces KX Carbon Block Water Filter # 10-250-190-975 Compatible Replacement. The perfect carbon block for your standard reverse osmosis system. Extruded Carbon Block Water Filter. 9 3/4" long X 2 1/2" diameter OD X 1 1/4" diameter ID. 20 per case, sold individually. Order a case and save even more. GGN-10-2-BLOCK
    Learn More
    $12.99 Special Price $9.99 As low as $7.79
  6. Pentek CBR2-10R # 155403 Carbon Block Replacement Water Filter CMR-10R & CBR210R
    Pentek CBR2-10R # 155403 Carbon Block Replacement Water Filter CMR-10R & CBR210R
    Pentek CBR2-10R # 155403 Carbon Block Replacement Water Filter CMR-10R & CBR210R Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner and Many Other Brands. Carbon Block With Lead Reduction & .6 GPM Flow Restrictor Half Micron Water Filter. (Green End Caps) 9 3/4" long X 2 7/8" diameter. 12 per case, sold individually. Ametek # 155403 Replaces Ametek CMR-10R. The CBR2 series are multimedia cartridges designed to perform several functions. CBR2 Series cartridges are manufactured using a patented process and combine powdered activated carbon with a specially designed media for lead reduction. In addition to lead reduction, the unique formation of the carbon block enables it to reduce Cryptosporidium and Giardia cysts and fine sediment particles down to 0.5 microns. As with our standard CBC Series carbon block, both the CBR2-10 and CBR2-10R are more effective at reducing levels of chlorine, and certain VOC's than granular activated carbon cartridges. The Polypropylene outer wrap helps reduce coarse sediment particles, effectively extending the useful life of the cartridge. Order a case and save even more.
    Learn More
    $29.99 Special Price $21.99 As low as $16.99
  7. Pentek CBR2-10 # 155268 CBR210 Carbon Block Replacement Water Filter CMR-10
    Pentek CBR2-10 # 155268 CBR210 Carbon Block Replacement Water Filter CMR-10
    Pentek CBR2-10 # 155268 CBR210 Carbon Block Replacement Water Filter CMR-10 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner and Many Other Brands. Carbon Block With Lead Reduction Half Micron Water Filter. (Green End Caps) 9 3/4" long X 2 7/8" diameter. 12 per case, sold individually. Ametek # 155268 Replaces Ametek CMR-10. The CBR2 series are multimedia cartridges designed to perform several functions. CBR2 Series cartridges are manufactured using a patented process and combine powdered activated carbon with a specially designed media for lead reduction. In addition to lead reduction, the unique formation of the carbon block enables it to reduce Cryptosporidium and Giardia cysts and fine sediment particles down to 0.5 microns. As with our standard CBC Series carbon block, both the CBR2-10 and CBR2-10R are more effective at reducing levels of chlorine, and certain VOC's than granular activated carbon cartridges. The Polypropylene outer wrap helps reduce coarse sediment particles, effectively extending the useful life of the cartridge. Order a case and save even more.
    Learn More
    $26.99 Special Price $19.99 As low as $14.99
  8. Aries AF-10-3610 10" Nitrate Reduction Filter
    Aries AF-10-3610 10" Nitrate Reduction Filter

    Aries AF-10-3610 10" Nitrate Reduction Filter is designed to fit 10" standard and slim style housings. It is constructed with high purity ResinTech Resins to reduce nitrates and several contaminants from your water.

    The Aries AF Series cartridges provides effective nitrate removal by the utilization of ResinTech® 
    SIR-100-HP resin. Its unique functionality offers twenty five times greater affinity than standard strong-based anion resins. This cartridge removes nitrates efficiently with low leakage, and eliminates the possibility of nitrate dumping upon exhaustion.

     

    Learn More
    $49.99 Special Price $37.99
  9. Aries AF-10-1091Fluoride Reduction Water Filter
    Aries AF-10-1091Fluoride Reduction Water Filter

    Aries AF-10-1091 10" Fluoride Reduction Filter.

    Fluoride removal is achieved by utilizing the advanced media technology of ResinTech® SIR-900 media. AF Series cartridges remove Fluoride by a chemical reaction with the media. ResinTech® SIR-900 is a synthetic aluminum oxide that is specially processed to have minimum fines and other foreign matter. It has minimal shrinkage /swelling and low-pressure loss. The product is physically stable and can be used over a wide pH range. 

    Learn More
    $35.99
  10. Aries AF-10-3695 10" Arsenic Reduction Water Filter
    Aries AF-10-3695 10" Arsenic Reduction Water Filter

    Aries AF-10-3695 10" Arsenic Reduction Filters.

    Arsenic reduction is achieved by utilizing the advanced media technology of ResinTech® ASM-10-HP resin. This Arsenic selective media has unsurpassed capacity and is effective over the entire pH range of potable water. ResinTech® ASM-10-HP is a strongly basic hybrid anion exchange resin, specially formulated to selectively remove arsenic.*

     

    Learn More
    $89.99 Special Price $69.99
  11. KX ChloraGuard 10 Matrikx # 36-250-10-Matrikx
    KX ChloraGuard 10 Matrikx # 36-250-10-Matrikx

    KX ChloraGuard 10" Now with enhanced Chloramine reduction #36-250-10-Matrikx  2 3/4" x 9 3/4".  MATRIKX - CHLORAGUARD Activated Carbon Block Filter For Chloramine, Chlorine, Taste, Odor And VOC Reduction

    Learn More
    $19.99
  12. KDF Water Replacement Filter With KDF 55 Redox Media # AF-10-2025
    KDF Water Replacement Filter With KDF 55 Redox Media # AF-10-2025

    KDF Water Filter With KDF 55 Redox Media #AF-10-2025.  Standard Size Replacement Filter Cartridge 10" X 2 3/4". For slimline and standard size housings. Excellent for chlorine and heavy metals reduction. Effective to treat for sulfur & iron. KDF media also controls scale, algae, and bacteria. 12 per case, sold individually. Order a case and save even more.

    Learn More
    $47.99 Special Price $34.99 As low as $31.99
  13. Pentek RFC-93 # 155063 RFC93 Radial Flow Whole House GAC Carbon Whole House Water Filter Cartridge
    Pentek RFC-93 # 155063 RFC93 Radial Flow GAC Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands
    Pentek RFC-93 # 155063 RFC93 Radial Flow GAC Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. Radial Flow Granular Activated Carbon 20 Micron Water Filter. 9 3/4" long X 2 1/2" diameter. 24 per case, sold individually. Ametek # 155063 RFC Series cartridges are constructed with a porous polypropylene outer shell and durable polypropylene end caps. Sandwiched between the outer shell and the core is a bed of granular activated carbon. The unique radial flow design offers the benefit of granular activated carbon filtration, such as low pressure drop, while at the same time eliminating the release of carbon fines commonly associated with GAC style cartridges. RFC Series cartridges are ideal for point-of-entry and other high flow rate applications. Order a case and save even more.
    Learn More
    $23.99 Special Price $17.99 As low as $14.99
  14. Pentek CGAC-10 # 155661 Chloromines Reduction Carbon Block Replacement Water Filter CGAC10
    Pentek CGAC-10 # 155661 Chloromines Reduction Carbon Block Water Filter CGAC10 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands ( ChlorPlus 10 #255416 )
    The Pentek CGAC-10 # 155661 Chloromines Reduction Carbon Block Water Filter has been replaced by the ChlorPlus 10 # 255416. If you order the CGAC10 you will receive the ChlorPlus 10. CGAC10 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. CGAC-10 Carbon Block Water Filter # 155661. Chloramines Reduction water filter. 9 7/8" x 2 7/8". Fits most SlimLine and standard size water filter housings. 12 per case, sold individually. Order a case and save even more.
    Learn More
    $29.99 Special Price $22.99 As low as $17.99
  15. Pentek S1 # 155001 S-1 Sediment Replacement Water Filter Cartridge
    Pentek S1 # 155001 S-1 Sediment Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands
    Pentek S1 # 155001 S-1 Sediment Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. S1 20 Micron Pleated Cellulose Sediment Water Filter. 9 3/4" long X 2 1/2" diameter. 24 per case, sold individually. Ametek # 155001 S1 series cartridges are economically priced and highly effective at reducing sediment particles down to 20 micron in size. Whole house or point of entry filtration to filter out sand, silt, dirt and rust particles that can restrict and plug finer filters, screens or equipment. Order a case and save even more.
    Learn More
    $9.99 Special Price $6.99 As low as $5.69
  16. Omnipure CL-10RO-T/33 GAC Inline Replacement Water Filter-1000
    Omnipure ® CL-10RO-T/33 GAC Inline Replacement Water Filter

    Omnipure ® CL-10RO-T/33 inline GAC carbon water filter replacement cartridge. 1/4" (-B) or 3/8" (-C) FNPT (Female National Pipe Thread) connections. Replacement Jaco connectors and John Guest Speedfit connectors available separately for 1/4" or 3/8" tube. 25 per case, priced and sold individually. Order a case and save even more.

    Learn More
    $21.99 Special Price $11.99 As low as $9.49
  17. Pentek SW-1A # 150539 SW1 Slim Line Water Filter Housing Spanner Wrench
    Pentek SW-1A # 150539 SW1 Slim Line Water Filter Housing Spanner Wrench Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands
    Pentek SW-1 # 150539 SW1 Slim Line Water Filter Housing Spanner Wrench Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. SW-1 Water Filter Housing Wrench. Fits 4" Slim Line Housings. (Slim Line Housings Have A 3 1/2" diameter "O" Ring) Ametek # 150294 Only for use in loosening filter housings, never to tighten. Overtightening may cause damage to the O-rings and make re-opening VERY difficult. Hand tighten only. Fits most standard style RO systems. Replaces 150294. For really stubborn filter housings our technicians will use two wrenches together for maximum power where one wrench might break or not do the job. Our techs know the tricks. Order New O-rings And Be Sure To Lube Them With Dow 111 Silicone Sealant To Prevent Leaks
    Learn More
    $9.99 Special Price $6.99 As low as $4.99
  18. PENTEK- #151121- Slim-Line Water Filter Housing Replacement - 1000
    Pentek # 151121 O-Ring For Slim Line Water Filter Housing Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands
    Pentek # 151121 O-Ring For Slim Line Water Filter Housing Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. O-Ring For Slim Line Water Filter Housing. Buna-N FDA Grade. (Slim Line Housings Use A 3 1/2" diameter "O" Ring) Ametek # 151121 Same as Culligan OR-38 O-ring.
    Learn More
    $5.69 Special Price $4.99 As low as $3.00
  19. Molykote-From DOw Corning- 111 Compound-6 Gram O-ring Silicone Lubricant & Sealant-Dow-111-5-gram-1000
    Dow Corning (Molykote) ® 111 6 gram O-ring Silicone Lubricant and Sealant - Be sure to lube your O-rings to help prevent leaks.
    Dow Corning/Molykote ® 111 6 gram O-ring Silicone Lubricant and Sealant - 6 gram pillow pack. (like a ketchup packet) Great O-ring sealant and lubricant. FDA and NSF approved. (Do Not Use Petroleum Jelly As It May Break Down O-rings Or Housings) This is the same premium grade silicone sealant and lubricant used in underwater photography cameras, scuba gear and other underwater applications that simply can't afford leaks. Why not use the best for your reverse osmosis or drinking water filtration system?

    Dow 111 Silicone MSDS Safety Sheet

    Learn More
    $5.99 Special Price $3.99 As low as $1.79
  20. Pro Products Sani System Water Filtration System Sanitizer
    Pro Products Sani System Water Filtration System Sanitizer
    Sani-System ® Pro Products is proud to introduce Sani-System, the first and only EPA product approved for sanitizing water softeners, RO units and Water Coolers. Alos NSF certified. Sani System is proven to kill 99.9% of E. coli, E. coli O157:H7, Staphylococcus aureus, Listeria monocytogenes and other harmful bacteria. It does not use chlorine, other oxidizers or acids that can harm water softener equipment parts. Use is simple; each dose comes in a pre-measured pouch. Just cut, pour and regenerate softener. No measuring, No mess! Sanitizing Equipment! Applications Interior Surfaces of Water Softeners, Reverse Osmosis (RO) Units, Ice Machines, Water Coolers, Water Holding Tanks and Pressure Tanks. Pro Products Sani System Sanitizer. 0.25 fl. oz. concentrate is perfect for your RO reverse osmosis drinking water system sanitizing..
    Learn More
    $7.99 Special Price $4.99 As low as $2.49
  21. Stainless Steel Designer Faucet for RO Reverse Osmosis & Drinking Water Filtration Systems
    Stainless Steel Designer Faucet for RO Reverse Osmosis & Drinking Water Filtration Systems
    Stainless Steel Designer Faucet for Drinking Water Systems. Beautiful designer faucet for beautiful kitchens. Air Gap / Non Air Gap design, single or three tube connection. Made of high quality 304 stainless steel incorporating a smooth operating ceramic disk element for extended reliability and quality. Great replacement upgrade for RO Reverse Osmosis and drinking water filtration systems. Lever Style Handle. High Reach Neck Design (12" / 305mm) 360 Degree Swivel Neck. Unique Protective Spout Tip which Prevents After Drip. 2 1/4" Base Diameter (57 mm) Drilled Hole Size Needed is 7/8".
    Learn More
    $219.99 Special Price $89.95
  22. GGN-Faucet-AG-P-Chrome Air Gap Faucet-Long Reach-1000
    Chrome Air Gap Faucet - Long Reach GGN-FAUCET-AG-P

    Chrome Air Gap Faucet - Long Reach GGN-FAUCET-AG-P 

    The perfect replacement faucet for under sink reverse osmosis drinking water systems.  Works as air gap or non air gap.  Quick release when drawing a glass of water or lock it on to fill a pitcher or cooking pot.   This is a top selling replacement faucet for most reverse osmosis systems.

    Learn More
    $39.99 Special Price $29.99
  23. Puroflo FLR-868 faucet
    Puroflo FLR-868 Chrome Non-Air Gap Faucet
    Puroflo FLR-868 Long Reach Chrome Non-Air Gap Premium Faucet is NSF Certified. Smooth operating ceramic disk design with 12" High Reach Neck Design. California Prop. 65 and AB1953 compliant. Low Lead Level
    Learn More
    $41.99 Special Price $29.99
  24. Multi Mineral Filter - Inline 10 Far Infrared Mineralized Balls, Aluminite, GAC Granular Activated Carbon, Plus 4 Stages of Suspended Particulate Pre Filtration
    Multi Mineral Filter - Inline 10 Far Infrared Mineralized Balls, Aluminite, GAC Granular Activated Carbon, Plus 4 Stages of Suspended Particulate Pre Filtration

    Multi Filter - Inline 10" - Mineral, Aluminite, Far Infrared Mineralized Balls, GAC Granular Activated Carbon, Plus 4 Stages of Suspended Particlutate Pre Filtration. This mineral filter is the perfect filter to add on to your RO Reverse Osmosis drinking water system. Easily attaches inline between the faucet and RO system.  MAKE YOUR OWN MINERAL WATER

    Learn More
    $59.99 Special Price $39.99 As low as $32.99
  25. Inline Check Valve - Back Flow Prevention - John Guest Speedfit Quick Connection 1/4SCV and 3/8SCV
    Inline Check Valve - Back Flow Prevention
    Inline Check Valve - Back Flow Prevention - Check Valve- 1/4" quick connect - one way flow, Easy to install. 1/4SCV and 3/8SCV or John Guest Elbow Fitting for Membrane Housing.
    Learn More
    $27.99 Special Price $19.99 As low as $17.99
  26. Filtamate 85 PSI APEX Inline Water Pressure Regulator With 1/4" Quick Connections
    Filtamate 85 PSI APEX Inline Water Pressure Regulator With 1/4" Quick Connections
    APEX Filtamate 85 PSI Inline Pressure Regulator. 1/4" Quick Connectors. Great inline pressure regulator to prevent excessive pressure from reaching your RO Reverse Osmosis system or other sensitive water equipment. Helps prevent water spikes, or surges, that can lead to system failure or leaks.
    Learn More
    $34.99 Special Price $22.99 As low as $19.39
  27. Inline Water Shut Off Valve-1000
    Inline Water Shut Off Valve - Great For Refrigerators And Ice Machines
    Inline Water Shut Off Valve With 1/4" or 3/8" Quick Connect Fittings - Very easy to install and use. - Great for refrigerators, UV systems, chillers, hot pots, coffee machines, ice machines etc.
    Learn More
    $14.99 Special Price $9.99 As low as $6.99
  28. John Guest ® Tube Cutter - TSNIP
    John Guest ® Tube Cutter - TSNIP
    John Guest ® tube cutter TSNIP - Great for making a perfect cut everytime. Helps prevent leaks by making a square end cut ensuring proper fit and seal in water connecttion fittings. A real must for any professional or discerning home owner.
    Learn More
    $17.99 Special Price $12.99 As low as $10.99
  29. John Guest Super Speedfit Quick Connector - Male - Elbow
    John Guest ® Super Speedfit Quick Connector - Male - Elbow
    ohn Guest ® Super Speedfit Quick Connector - Male - Elbow - John Guest Super Speedfit Quick Connectors - Male - MNPT - Sold in pairs. Price is per pair. These fittings are manufactured in gray acetal copolymer with food grade nitrile ‘o’ ring, making them especially suitable for applications involving foodstuff and potable liquids like reverse osmosis drinking water. They are equally suitable for air and inert gasses and can therefore be used on CO2 lines, pneumatic applications, and vacuum. For more than a decade, John Guest has been supplying Super Speedfit fittings to the Water Purification market for drinking water applications in homes, restaurants and industry. John Guest products are listed with the WRC(UK), NSF(US) and SK(Germany). PI480821S , PI480822S , PI480823S , PI481222S , PI481223S
    Learn More
    $8.99 Special Price $4.99 As low as $3.99
  30. John Guest ® Tee Connector For water Systems - Quick Connectors
    John Guest ® Tee Connector For Water Systems - Quick Connectors
    John Guest ® Tee Connector - Quick Connectors - All equal size connections or one port different for adaption. The body is produced in acetal copolymer. 'O'Rings are nitrile rubber. The collet is produced in acetal copolymer with stainless steel teeth. PI0208S , PI0212S , PI301208S , PI301612S.
    Learn More
    $14.99 Special Price $9.99 As low as $7.99
  31. Teflon-Tape-100-1000
    Teflon Plumbing Tape To Seal Threaded Water Connectors
    PTFE thread sealant tape permits quick, clean, economical sealing of male pipe threads of all sizes. Reduces the risk of system contamination common with liquid and paste sealants. A must use on all male threads used in reverse osmosis and pure drinking water filtration systems.
    Learn More
    $5.99 Special Price $3.39 As low as $2.75
  32. John Guest Angle Stop Water Valve
    John Guest ® Angle Stop Water Valve
    John Guest ® Angle Stop Water Valve - Makes installation a snap. Very simple to use. PPASV121208W and PPASV121212W
    Learn More
    $19.99 Special Price $12.99 As low as $10.99
  33. Easy Tap Water Feed Valve for Water Filter Systems - 2000
    Easy Tap Water Feed Valve
    Easy Tap Water Feed Valve - High flow tap valve. Follow the pipe up from the shut-off valve toward faucet until you reach a coupling nut (may be all the way up to the faucet). Unscrew coupling nut. Screw brass easy tap onto previous location of coupling nut. Hand tighten and then one more complete turn with wrench. Re-attach water line coupling nut to easy tap. The valve on the side of the easy tap is the shut off valve for your new RO system. If the handle is turned clockwise all of the way, this is the "OFF" position for your new RO system. Counterclockwise all of the way is the "ON" position.
    Learn More
    $19.99 Special Price $12.99 As low as $9.99
  34. Chiller Daddy CHL-750XL Under Sink Water Chiller - 110 Volt
    Chiller Daddy CHL-750XL Under Sink Water Chiller - 110 Volt

    110 Volt Chiller Daddy ® CHL-750XL Under Sink Water Chiller -  NEW TANK IS 25% LARGER than our previous chillers.  Output Cold Tank Volume : 3 liter (0.8 gallon) Exterior cabinet is made of RUST FREE 304 SS Stainless Steel. Cold Water Container is made of SUS304 Stainless Steel. Inlets and outlets are 1/4" stainless steel 304. Includes a pair of quick connectors for a simple hook up. Output of Cold Water : 1.34 Gallons Per Hour (5 Liters 5L/H (<10C) Continuous Cold Water Output(cc/hr) 5,400. This is a high output, heavy duty undersink drinking water chiller. Great for use with a Reverse Osmosis System or drinking water filter system.

    Learn More
    $499.99 Special Price $349.99 As low as $310.99
  35. UV-SS2-1000
    UV-SS2 1 Gallon per Minute UV Ultraviolet Water Sterilizer

    304 Stainless Steel 1 GPM UV Assembly With 1/4" FNPT Connections. 6 watt Phillips UV Lamp, quartz sleeve and 100 volt transformer.  Individually boxed.  Great addition to any RO reverse osmosis system or undercounter drinking water filter system.

    Learn More
    $99.99
  36. 3M  6-in-1 Water Test Kit -Simple to Use - DIY In Home Water Quality Test Kit
    3M 6-in-1 Water Test Kit -Simple to Use - DIY In Home Water Quality Test Kit
    6 in 1 Home Water Test Kit by 3M. Use this 3M DIY water quality test for convenient on-site testing. The 3M DIY water quality test kit provides quick analysis.
    Learn More
    $15.75 Special Price $12.99

Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.





Easy TDS Membrane Performance Calculator
See If It is Time To Replace Your Membrane

Simply enter your Feed Water TDS and RO Water TDS into the boxes above and click "Submit". The percentage of TDS Rejection will be displayed. We normally recommend membrane replacement once you drop below 75%. This may vary in areas with high TDS in the feed water.

See our selection of TDS meters under Water Tests


* Campbell is the registered trademark of Campbell, the manufacturer of Campbell brand of under counter drinking water system filtration equipment. The replacement water filter cartridges, reverse osmosis membranes, water tanks, faucets and repair parts listed above are not manufactured or endorsed by Campbell. Rather, these replacement filters, RO reverse osmosis membranes and DIY replacement parts are manufactured by other companies. While these replacement water filters, repair parts and reverse osmosis membranes are compatible for use in Campbell under counter reverse osmosis water filtration equipment, we make no representation as to whether using these water filter cartridges and RO reverse osmosis membranes is consistent with the warranty and specifications applicable to Campbell under sink drinking water system equipment.