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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!

Culligan RO Reverse Osmosis Water Filters

Culligan ® * Aqua Cleer Good Water Machine compatible replacement water filters and reverse osmosis RO membranes
  1. RS-23-SED- Sediment Water Prefilter Compatible with Culligan S7011C & 00-4015-38 AquaCleer Good Water Machine - 2000
    WFO RS-23-SED Sediment Water Prefilter Compatible With Culligan ® S7011C & 00-4015-38 AquaCleer Good Water Machine
    WFO RS-23-SED Sediment Water Prefilter Compatible With Culligan ® S7011C & 00-4015-38 AquaCleer Good Water Machine - 5 Micron Sediment Water Prefilter. Ref.# 00-4015-38, 00-0001-20, 4412-75, 4496-27, S7011C, 4485-44, 4496-27 - 12" X 1.8" 36 per case, sold individually. Be sure to replace the o-rings in all older systems. Be sure to use Dow 111 Silicone sealant to help prevent leaks. Learn More
    $16.99 Special Price $9.99 As low as $7.99
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  2. Compatible GAC Water Pre-Filter for Culligan S7025 & AquaCleer Good Water Machine RO Reverse Osmosis System -Lifestyle Photo 1-1000
    WFO GAC Compatible Water Prefilter For Culligan ® S7025 & AquaCleer Good Water Machine Reverse Osmosis Systems
    WFO GAC Compatible Water Prefilter For Culligan ® S7025 & AquaCleer Good Water Machine Reverse Osmosis Systems. Ref.# S7025 - 00 / 4028-08. Be sure to replace the o-rings in all older systems. Be sure to use Dow 111 Silicone sealant to help prevent leaks. Learn More
    $18.99 Special Price $11.99 As low as $9.99
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  3. KX Matrikx ® CTO/2 Culligan ® Compatible Carbon Block Water Filter # 32-175-050-100 - S7024 - 01-0125-80
    KX Matrikx ® CTO/2 Culligan ® Compatible Carbon Block Water Filter # 32-175-050-100 - S7024 - 01-0125-80
    KX Matrikx ® # 32-175-050-100 CTO/2 Culligan ® Compatible 10 Micron Extruded Carbon Block Water Filter - 01-0125-80. Ref.# 00-0011-38, 01-0042-91 & 01-0000-78 - #4027-96, 4487-63, 4496-28, 4487-62 - The Workhorse. 12" X 1.8" Culligan ® RO System Compatible. #32-175-050-100 - Be sure to replace the o-rings in all older systems. Be sure to use Dow 111 Silicone sealant to help prevent leaks. 36 per case, sold individually. Order a case and save even more. Learn More
    $23.99 Special Price $12.99 As low as $9.99
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  4. Omnipure K2333 Inline GAC Carbon Replacement Water Filter -1000
    Omnipure ® K2333 Inline Carbon Water Filter
    Omnipure ® K2333 2" X 6" GAC Inline Water Filter With Quick Connect Fittings. 50 per case, sold individually. Note: The connectors come with a "plug" in them for sanitary reasons. This keeps dirt and debris from entering the connector prior to use. To remove the plugs you push in on them and hold down the outer plastic ring, and then pull the plug out. The same method is used to remove the tubing when it comes time to replace the filter. 50 per case, sold individually. Order a case and save even more. Learn More
    $19.99 Special Price $12.99 As low as $9.49
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  5. WFO-900 0-ring compatible with Culligan AquaCleer Good Water Machine Reverse Osmosis RO Systems
    WFO-900 0-ring compatible with Culligan AquaCleer Good Water Machine Reverse Osmosis RO Systems
    WFO-900 0-ring compatible with Culligan AquaCleer Good Water Machine Reverse Osmosis RO Systems. Fits AC Series and H Series RO Reverse Osmosis Aqua Cleer Good Water Machines. AC-15, AC-30, AC-5O, H5, H-53, H-8, H-82, H-83, H-84, etc. O-rings help prevent costly leaks. Be sure to use Dow 111 silicone sealant to lubricate the o-rings and provide the proper seal. Better safe than sorry. Learn More
    $8.99 Special Price $5.99 As low as $4.49
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  6. 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
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  7. TDS Meter - Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane Tester - TDS Meter
    TDS Meter - Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane Tester - TDS Meter
    TDS Meter - Tester. The Only Way To Know If Your Reverse Osmosis RO Membrane Is Performing Correctly - Tests for TDS - Total Dissolved Solids. A Must For All RO System Owners. Compare Incoming Feed Water To Treated Water - Replace Membrane If Less Than 80% of TDS Is Being Removed - The lower the TDS level in the water, the more efficiently your body's cells actually get hydrated by the water that you drink. The higher the TDS levels in the water, the greater the probability of harmful contaminants that can pose health risks or hinder the absorption of water molecules on the cellular level. Simple to use for Reverse Osmosis membrane monitoring. We really like this tester and think that anyone who wants to know about the quality of their water should have one of these TDS Meter Testers to monitor their RO membrane. Learn More
    $49.99 Special Price $37.99 As low as $17.99
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  8. 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! Learn More
    $49.99 Special Price $39.99 As low as $19.99
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  9. Pro Products Sani System Sanitizer
    Pro Products Sani System Sanitizer
    Pro Products Sani System Sanitizer. 0.25 or 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! This is the best sanitizing solution available anywhere! Stock up and save. Learn More
    $7.99 Special Price $4.99 As low as $2.49
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Aqua Cleer Good Water Machine Water Filters ®
Aqua Cleer Good Water ...

Culligan Aqua Cleer Good Water Machine Compatible Reverse Osmosis RO Membranes And Replacement Water Filters

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Cullgan AC-15 Aqua Cleer Good Water Machine RO System
Cullgan AC-15 Aqua Cleer ...

Culligan AC15 Aqua Cleer Good Water Machine Reverse Osmosis Compatible Replacement Water Filters And Reverse Osmosis Membranes

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Culligan AC-30 Aqua Cleer Good Water Machine RO System
Culligan AC-30 Aqua Cleer ...

Culligan AC30 Aqua Cleer Good Water Machine Reverse Osmosis Compatible Replacement Water Filters And Reverse Osmosis Membranes

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Culligan AC-50 Aqua Cleer Good Water Machine RO System
Culligan AC-50 Aqua Cleer ...

Culligan AC50 Aqua Cleer Good Water Machine Reverse Osmosis Compatible Replacement Water Filters And Reverse Osmosis Membranes

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Culligan Water Tower ® CWT-35
Culligan Water Tower ® ...

* Culligan Water Tower ® CWT-35 compatible water filters 01013028 , 01013029 reverse osmosis membranes 41402004

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Culligan H-5 Aqua Cleer Good Water Machine RO System
Culligan H-5 Aqua Cleer Good ...

Culligan H-5 Aqua Cleer Good Water Machine Reverse Osmosis Compatible Replacement Water Filters And Reverse Osmosis Membranes

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Culligan H-53 Aqua Cleer Good Water Machine RO System
Culligan H-53 Aqua Cleer ...

Culligan H-53 Aqua Cleer Good Water Machine Reverse Osmosis Compatible Replacement Water Filters And Reverse Osmosis Membranes

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Culligan H-8 Aqua Cleer Good Water Machine RO System
Culligan H-8 Aqua Cleer Good ...

Culligan H-8 Reverse Osmosis Good Water Machine Compatible Replacement Water Filters And Reverse Osmosis Membranes

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Culligan H-82 & H-83 Aqua Cleer Good Water Machine RO System
Culligan H-82 & H-83 Aqua ...

Culligan H-83 Aqua Cleer Good Water Machine Reverse Osmosis Compatible Replacement Water Filters And Reverse Osmosis Membranes

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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.
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  1. Aqua Cleer Good Water Machine Water Filters ®
  2. Cullgan AC-15 Aqua Cleer Good Water Machine RO System
  3. Culligan AC-30 Aqua Cleer Good Water Machine RO System
  4. Culligan AC-50 Aqua Cleer Good Water Machine RO System
  5. Culligan Water Tower ® CWT-35
  6. Culligan H-5 Aqua Cleer Good Water Machine RO System
  7. Culligan H-53 Aqua Cleer Good Water Machine RO System
  8. Culligan H-8 Aqua Cleer Good Water Machine RO System
  9. Culligan H-82 & H-83 Aqua Cleer Good Water Machine RO System

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