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.

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Kenmore Water Filters ®

Kenmore Water Filters ®

 

Sears Kenmore UltraFilter ® Compatible Replacement Water Filters & Reverse Osmosis RO Membranes For Under Counter RO Drinking Water Filtration Systems

DIY Replacement Water Filters, Reverse Osmosis Membranes, Tanks, Faucets, Valves, Connectors, Tubing and Repair Parts

  1. WFO 500 - Compatible Fit Carbon Block Water Filters - 38476 - 2000
    WFO-500 - Sears Kenmore UltraFilter ® 150, 300, 350, 500 & 550, Whirlpool ® WHER 12 & WHER 18, EcoWater ® Compatible Fit Carbon Blocks 38476
    WFO-500 - Sears Kenmore Ultrafilter ® 150, 300, 350, 500 & 550 reverse osmosis system compatible replacement water filters twinpack (one pair). Replacement for Sears item #04238476000 model #38476. Compatible replacement filters for the Sears Kenmore UltraFilter ® Reverse Osmosis Drinking Water Systems # 38570, 38472, 38572, 38475 and 38575. Prefilter and post filter both included (two filters total). Also fits: Whirlpool ® WHER 12 & WHER 18, part #WHERF K002-87, EcoWater ® Compatible Carbon Block Water Filters. Sears Kenmore UltraFilter ® 150, 625.385700, 42-38476 Sears Kenmore UltraFilter ® 300, 625.384720, 42-38476 Sears Kenmore UltraFilter ® 350, 625.385720, 42-38476 Sears Kenmore UltraFilter ® 500, 625.384750, 42-38476 Sears Kenmore UltraFilter ® 550, 625.385750, 42-38576 Filters should be changed at least every 6 months. Order extra filter sets and save even more.
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    $39.99 Special Price $29.99 As low as $18.99
  2. WFO O-ring - Sears Kenmore UltraFilter ®, Whirlpool ®, EcoWater ® , Ecodyne ® compatible water filter replacement o-ring
    WFO-O-ring - Sears Kenmore UltraFilter ®, Whirlpool ®, EcoWater ® , Ecodyne ® compatible o-ring
    WFO-O-ring - Sears Kenmore UltraFilter ®, Whirlpool ®, EcoWater ® , Ecodyne ® compatible o-ring. Fits Sears Kenmore UltraFilter ® 150, 625.385700, 42-38476 Sears Kenmore UltraFilter ® 300, 625.384720, 42-38476 Sears Kenmore UltraFilter ® 350, 625.385720, 42-38476 Sears Kenmore UltraFilter ® 500, 625.384750, 42-38476 Sears Kenmore UltraFilter ® 550, 625.385750, 42-38576 Sears Kenmore ® 42-38456 Single Stage Deluxe Whirlpool ® WHER 12 Reverse Osmosis System Whirlpool ® WHER 18 Reverse Osmosis System, EcoWater ® 350 & 450. #E1000-228 --- 2 1/2" Diameter. Be sure to order Dow 111 Silicone Sealant to help prevent leaks.
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    $8.99 Special Price $5.99 As low as $3.99
  3. Pentek P-5 # 155014 P5 Sediment Replacement Water Filter Cartridge
    Pentek P-5 # 155014 P5 Sediment Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands
    Pentek P-5 # 155014 P5 Sediment Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. Spun Polypropylene 5 Micron Sediment Water Filter. 9 7/8" long X 2 1/2" diameter. 24 per case, sold individually. Ametek # 155014 P-Series cartridges are manufactured from 100% pure polypropylene fibers. The fibers have been carefully spun together to form a true gradient density from outer to inner surfaces. These cartridges are designed for purity. They will not impart taste, odor or color to the liquid being filtered when used within the recommended temperature limit. Also, the polypropylene construction provides superior chemical resistance and is not prone to bacterial attack. The coreless strength of the cartridges is achieved by sintering the many fibers into a solid matrix. Order a case and save even more.
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    $8.99 Special Price $5.99 As low as $3.99
  4. Pentek ECP-1 # 155181 CP1 Sediment Replacement Water Filter Cartridge
    Pentek ECP-1 # 155181 CP1 Sediment Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands
    Pentek ECP-1 # 155181 CP1 Sediment Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. Pleated Cellulose-Polyester 1 Micron Sediment Water Filter. 9 3/4" long X 2 1/2" diameter. 24 per case, sold individually. Ametek # 155181 CP Series cartridges are manufactured from a special formulation of resin-impregnated cellulose and polyester fibers. This construction provides high flow rates and dirt-holding capacities, while maintaining extremely low pressure drops. The media is pleated around a polypropylene core for added strength and the ends are immersed in a thermo-setting vinyl plastisol. Embedding and sealing each end of the pleat block in this fashion fuses the components together forming a unitized end cap and gasket. Order a case and save even more.
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    $10.99 Special Price $8.99 As low as $6.69
  5. Pentek GAC-10 # 155109 GAC10 Taste & Odor Replacement Water Filter Cartridge
    Pentek GAC-10 # 155109 GAC10 Taste & Odor Replacement Water Filter Cartridge

    Pentek GAC-10 # 155109 GAC10 Taste & Odor Replacement Water Filter Cartridge Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands Granular Activated Carbon Taste & Odor Water Filter. 9 3/4" long X 2 7/8" diameter. 12 per case, sold individually. Ametek # 155109 GAC Series cartridges effectively reduce unwanted tastes, odors and chlorine from your drinking water. They are designed to allow maximum contact between the water and carbon, ensuring maximum adsorption. 

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    $19.99 Special Price $11.99 As low as $9.99
  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.
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    $29.99 Special Price $21.99 As low as $16.99
  7. Pentek CC-10 # 155155 GAC Carbon Replacement Water Filter CC10
    Pentek CC-10 # 155155 GAC Carbon Water Filter CC10 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner and Many Other Brands
    Pentek CC-10 # 155155 GAC Carbon Water Filter CC10 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner and Many Other Brands. Granular Activated Carbon Water Filter. 9 3/4" long X 2 7/8" diameter. 12 per case, sold individually. Ametek # 155155 CC Series granular activated carbon cartridges are an excellent choice to reduce unwanted taste, odor, chlorine and certain VOC's from potable drinking water. They contain coconut shell based activated carbon, which produces drinking water of exceptional taste and quality and provides better VOC reduction than standard GAC cartridges. Order a case and save even more.
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    $22.99 Special Price $15.99 As low as $12.99
  8. Pentek EPM-10 # 155634 EPM10 Carbon Block Replacement Water Filter Cartridge
    Pentek EPM-10 # 155634 EPM10 Carbon Block Replacement Water Filter Cartridge
    Pentek EPM-10 # 155634 EPM10 Carbon Block Replacement Water Filter Cartridge Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. Carbon Block 10 Micron Water Filter. 9 3/4" long X 2 7/8" diameter. 12 per case, sold individually. Ametek # 155634 EPM Series cartridges are a modified version of our "EP Series" cartridge. An economical price makes this cartridge suitable for taste, odor and chlorine reduction, as well as sediment filtration. EPM Series cartridges are manufactured using a patented process that yields a cartridge with a nominal 10 micron filtration rating, high porosity and greater chlorine removal capacity. The high porosity design helps prevent the cartridge from plugging before its adsorption capability is exhausted, maximizing the utilization of the carbon while maintaining low pressure drop. Order a case and save even more.
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    $16.99 Special Price $11.99 As low as $9.95
  9. 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

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    $5.99 Special Price $3.99 As low as $1.79
  10. Pentek CW-MF # 155187 CWMF Sediment Replacement Water Filter Cartridge
    Pentek CW-MF # 155187 CWMF Sediment Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands
    Pentek CW-MF # 155187 CWMF Sediment Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. Polypropylene String-Wound Sediment Water Filter, Medium Fine, 30 micron. 9 7/8" long X 2 1/2" diameter. 24 per case, sold individually. Ametek # 155187 CW Series cartridges are manufactured from a durable polypropylene cored that is wound around a rigid polypropylene core. They are an economical solution to reduce fine sediment, including sand, silt, rust and scale particles. Order a case and save even more.
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    $6.99 Special Price $5.39 As low as $4.25
  11. Pro Products Sani System RO & Water Filtration System Sanitizer
    Pro Products Sani System RO & 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..
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    $7.99 Special Price $4.99 As low as $2.99
  12. 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".
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    $219.99 Special Price $99.99
  13. Pro Products SS24WS Sani System Water Softener and Conditioner System Sanitizer
    Pro Products SS24WS Sani System Water Softener and Conditioner System Sanitizer
    Pro Products Sani System Sanitizer. 0.5 fl. oz. concentrate. 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. 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. Sani-System is now NSF certified!
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    $7.99 Special Price $5.99 As low as $3.49
  14. Air Pressure Gauge for Reverse Osmosis Water Accumulator Tanks -1000
    Air pressure gauge for reverse osmosis water accumulator tanks
    Air pressure gauge for reverse osmosis water accumulator tanks - Specially calibrated for reverse osmosis system tanks. Scale from 1 to 20 PSI. Large scale reading over small PSI range allows optimum accuracy. Just like car tires lose air pressure, so does the bladder of your reverse osmosis water accumulator tank. Improper tank air pressure will cause your system to operate improperly. This is a must for all reverse osmosis system owners.
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    $24.99 Special Price $17.99 As low as $12.99
  15. TDS Meter Inline Water Tester DM1 - HM Digital Dual Mode Reading
    TDS Meter Inline Tester- Dual Mode Reading - Easily Installs Inline - Very Simple To Use
    TDS Meter - Dual Mode - Installs Inline - Check the TDS level with the push of a button. Now you can easily check to make sure the water from your reverse osmosis system is top quality. Measure the tap water coming in vs. the purified water going out of your system at any time. Very easy installation. FEATURES Displays TDS levels of the feed water and product water with in & out electrode probes. Highly efficient and accurate due to its advanced microprocessor technology. Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use. Comes equipped with John Guest Quick-Connect T-fittings as shown. Installs quickly and easily. SPECIFICATIONS Range: 0-9990 ppm Accuracy: ±2% Always know if your RO membrane is performing correctly!
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    $49.99 Special Price $39.99 As low as $19.99
  16. Easy Tap Water Feed Valve for Water Filter Systems - 2000
    Easy Tap Water Feed Valve For Water Filter Systems 3/8" Feed Tube
    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.
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    $16.99 Special Price $8.99 As low as $4.99
  17. John Guest Super Speedfit Quick Connector - Male - Elbow
    John Guest ® Super Speedfit Quick Connector - Male - Elbow
    John 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
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    $8.99 Special Price $4.99 As low as $3.99
  18. 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 : 1.75 Gallons Per Hour (6.6 Liters 5L/H (<10C) Continuous Cold Water Output(cc/hr). This is a high output, heavy duty undersink drinking water chiller. Great for use with a Reverse Osmosis System or drinking water filter system.

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    $499.99 Special Price $395.00 As low as $354.00

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


* SEARS KENMORE IS THE REGISTERED TRADEMARK OF SEARS, THE MANUFACTURER OF SEARS KENMORE 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 SEARS. 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 SEARS KENMORE 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 SEARS KENMORE UNDER SINK DRINKING WATER SYSTEM EQUIPMENT.