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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!

Avian Water Filters ®

Avian Water Filters ®

Avian ®* RO-450 Compatible Replacement Water Filters And Reverse Osmosis RO Membranes For GE Reverse Osmosis RO Pure Drinking Water Systems

Compatible replacements for:

Avian ®* RO-450 S7111 Sediment Pre Filter

Avian ®* RO-450 S7128 Carbon Block Pre Filter

Avian ®* RO-450 S7125 GAC Carbon Post Filter

Avian ®* RO-450 S7206 Inline Post Filter

Avian ®* RO-450 S1448RS RO Reverse Osmosis Membrane

If your Avian  RO-450 filter and membrane housings have this piece inside use a utility knife to cut this piece out and discard it.  Now you can use the filter cartridges listed below in your system.  This only needs to be done one time.

  1. GOES GREEN - S1448RS Compatible Reverse Osmosis Replacement Membrane - 1000
    Microline S1448RS Compatible Reverse Osmosis Membrane; 50 GPD. PW1448
    Microline S1448RS Compatible Reverse Osmosis Membrane; 50 GPD. PW1448. Fits various brands including Aqua Systems, Atlantic Filter Corp., Avian, Hellenbrand, Lancaster Water Systems, Lindyspring, Master Water Conditioning, Puretel Premier Series, PURO 35T, Steel Tec, Water Care Corp., Water-Right and others. Learn More
    $99.99 Special Price $59.99 As low as $44.99
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  2. GOES GREEN -S7125 Premium Compatible GAC Carbon Post-Filter Replacement Water Filter Cartridge - 1000
    Goes Green GNN-CL-GAC Compatible Replacement Recycleable GAC Carbon Water Filter Fits Helllenbrand, Clack, Aqua Systems and others S7125
    Goes Green GNN-CL-GAC Compatible Replacement Recycleable GAC Carbon Water Filter Fits Aqua Systems, Atlantic Filter Corp., Avian, Hellenbrand, Lancaster Water Systems, Lindyspring, Master Water Conditioning, Puretel Premier Series, PURO 35T, Steel Tec, Water Care Corp., Water-Right and others. Learn More
    $34.99 Special Price $24.95 As low as $13.99
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  3. GOES GREEN- Premium Compatible Carbon Prefilter Replacement Water Filter Cartridge - 1000
    Goes Green GGN-CL-Block Replacement Recycleable Carbon Block Compatible Water Filter Fits Helllenbrand, Clack, Aqua Systems and others S7128
    Goes Green GGN-CL-Block Carbon Block Compatible Water Filter Fits Helllenbrand, Clack, Aqua Systems and others ref# S7128. Premium carbon block replacement water filter for RO reverse osmosis systems. Get premium drinking water with these Premium Goes Green recycleable replacement water filters. Fits Aqua Systems, Atlantic Filter Corp., Avian, Hellenbrand, Lancaster Water Systems, Lindyspring, Master Water Conditioning, Puretel Premier Series, PURO 35T, Steel Tec, Water Care Corp., Water-Right and others. Learn More
    $26.99 As low as $14.99
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  4. Microline / Clack ® S3069 water filter housing o-ring
    Microline / Clack ® S3069 o-ring
    Microline / Clack ® S3069 o-ring. Fits Microline - Clack sump #S7029. Replace O-rings when changing the filters to help prevent leaks. 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
    $8.99 Special Price $5.99 As low as $3.99
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  5. 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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  6. Microline / Clack Water Filter Wrench for Reverse Osmosis Systems
    Microline - Clack Filter Housing Wrench S3072
    Microline - Clack Filter Housing Spanner Wrench - Fits standard Microline and Clack Systems. #3072 Learn More
    $12.99 Special Price $8.99 As low as $6.99
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  7. 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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  8. 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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  9. 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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Parts Department
Parts Department

Replacement water faucets, water pumps, tanks, UV, drain saddles, o-rings, wrenches, valves, water accumulator tanks, fittings, TDS meters, water filters, reverse osmosis membrane sparts for reverse osmosis and pure water drinking systems. Buy online.

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Water Chillers
Water Chillers

Chiller Daddy Under Sink Water Chillers for RO reverse osmosis water purification systems - Chiller Daddy CHL-501 to replace Clover C12E. Low prices and fast shipping online since 1999.

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Installation and Trouble Shooting Guide
Installation and Trouble ...

Installation and Trouble Shooting Guide

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Faucets for RO Reverse Osmosis or Filter Systems
Faucets for RO Reverse ...

Replacement Air Gap Faucets For Reverse Osmosis RO Systems, Pure Water Systems And Water Coolers - TouchFlo Faucets

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Leak Controllers
Leak Controllers

Leak Controller For Reverse Osmosis Systems, Refrigerators, Ice Makers and Coffee Machines - AquaGate

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Tanks
Tanks

Reverse Osmosis Storage Tanks - Water tanks for reverse osmosis drinking water systems. Low prices and fast shipping online since 1999. Millions sold.

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

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

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.

* Avian Water Filters ® is the registered trademark of Avian Water Filters, the manufacturer of Avian Water Filters ® brand water treatment equipment.  The replacement filters and membranes listed above are not manufactured or endorsed by Avian Water Filters.  Rather, these filters and membranes are manufactured by other companies.  While these filters and membranes are compatible for use in Avian Water Filters ® brand water treatment equipment, we make no representation as to whether using these filters and membranes is consistent with the warranty and specifications applicable to Avian Water Filters ® equipment.

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