Save With Quantity Discounts On Replacement Water Filters and Reverse Osmosis Membranes

Water Factory LP-40-TFC 06-522 Water Filters

Water Factory LP-40-TFC 06-522 Water Filters

Water Factory LP-40-TFC 06-522 RO Reverse Osmosis Compatible Premium Replacement Water Filters and RO Reverse Osmosis Membranes

Replacement water faucets, accumulator holding water tanks, water filter cartridges, RO membranes, O-rings, Filter Housing Spanner Wrenches, Valves, Water Pumps and reverse osmosis drinking water system replacement parts.

  1. AquaPure AP110 by 3M Purification ® Fine / Normal Sediment Water Filters - 55410-14 - 2 Pack - 5 Micron Nominal

    Regular Price: $28.99

    Special Price $18.99

    As low as: $16.99
    Aqua-Pure AP110 by 3M Purification ® For Premium Performance Filtration - aka AquaPure or Aqua Pure - This Aqua-Pure dirt & rust cartridge is made from an exclusive process using pure white celluose fibers.Reduces sedimentAverage life: 6 months (incoming water quality may affect cartridge life)Proprietary polypropylene manufacturing processGrooved surface increases total surface area for longer cartridge life than non-grooved filter cartridgesRigid construction helps to eliminate sediment “unloading” due to variances in water pressureSystem materials are FDA CFR-21 compliantLearn More
  2. FILMTEC XLE-2521 Reverse Osmosis Membrane
    $179.95
    FILMTEC™ XLE-2521 Elements offer better system performance and economics for small commercial systems by operating at very low applied pressure. FILMTEC XLE-2521 elements are tape-wrapped. In addition to high quality water and low energy costs, FILMTEC membranes also deliver savings by providing long lasting and reliable performance. Learn More
  3. AquaPure AP017 by 3M Purification ® taste, odor, dirt, rust and sediment water filters

    Regular Price: $22.99

    Special Price $16.99

    As low as: $14.99
    AquaPure AP017 by 3M Purification ® taste, odor, dirt, rust and sediment water filtersRemoves Chlorine, Taste, Odor, Sediment and Rust Learn More
  4. AquaPure 68900-34 Adjustable Strap Wrench For Water Filter Housings

    Regular Price: $12.99

    Special Price $8.99

    As low as: $7.49
    AquaPure 68900-34 Adjustable Strap Wrench For Water Filter Housings - Universal Strap Wrench; Works with Most Water Filter Housings. AquaPure 68900-34 Adjustable Strap Wrench: Use for twisting off the canister or sump on many water filter housings. The Adjustable Strap Wrench can be used with many water filtration housings. The strap adjusts to the size of the water filter housing. Do NOT use the AquaPure 68900-34 Adjustable Strap Wrench to tighten the water filter housing sump. Overtightening the sump can cause damage to the o-rings and make re-opening the housing sump difficult. You should only hand tighten the housing sump. The AquaPure 68900-34 Adjustable Strap Wrench makes replacing water filters easy. Learn More
  5. AquaPure Drinking Water Filter Housing O-ring #63597174 by 3M CUNO

    Regular Price: $8.99

    Special Price $4.99

    As low as: $3.29
    AquaPure Drinking Water Filter Housing O-ring #63597174 by 3M Purification. Keep your system from leaking and causing expensive damages by replacing your o-rings every other time you change your water filters. Be sure to order Dow 111 silicone sealant so the o-rings will seal properly. Never use petroleum based greases such as Vasoline. Use the best sealant, use Dow 111 silicone. Learn More
  6. Molykote-From DOw Corning- 111 Compound-6 Gram O-ring Silicone Lubricant & Sealant-Dow-111-5-gram-1000

    Regular Price: $5.99

    Special Price $3.99

    As low as: $1.79
    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? Learn More
  7. Pro Products Sani System Water Filtration System Sanitizer

    Regular Price: $7.99

    Special Price $4.99

    As low as: $2.49
    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
  8. 4 Gallon Reverse Osmosis Tank GGN-Tank-4-Pro-3.2

    Regular Price: $79.99

    Special Price $49.99

    GGN-Tank-4 - 4 Gallon RO Reverse Osmosis Tank 1/4" NPT Threads. Stainless Steel connector. This is the perfect replacement tank for most residential RO Reverse Osmosis systems. 7 psi Choose White or Blue color. UPC #850901003491 Learn More
  9. TDS Meter - Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane Tester - TDS Meter

    Regular Price: $49.99

    Special Price $37.99

    As low as: $17.99
    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 Learn More
  10. TDS Water Meter Dual Mode Readings - DM2 HM Digital Professional Grade

    Regular Price: $69.99

    Special Price $49.99

    As low as: $29.99
    TDS Meter Dual Mode Readings - Professional Grade - Easily Installs Inline - Very Simple To Use. Measure the tap water coming in vs. the purified water going out of your system at any time. Use the meter to determine when the filters need to be changed. Highly efficient and accurate due to its advanced microprocessor technology. Displays TDS levels of the Feed Water and Product Water with in & out electrode probes. Auto-Off function conserves battery power. The unit shuts off automatically after 20 seconds. Dual Range - Measures from 0-999 ppm, with a resolution of 1 ppm. Learn More
  11. Automatic Shut Off Valve - With Quick Connections for Reverse Osmosis RO System - ASO ASV - 2000

    Regular Price: $29.99

    Special Price $20.99

    As low as: $16.99
    Auto Shut Off RO 1 With Quick Connections- Automatic shutoff valve for reverse osmosis systems. ASO ASV Easy to use 1/4" OD Tube with quick connections. The valve automatically shuts off production when the tank pressure reaches approximately 65% of the incoming line pressure. Learn More

Easy TDS Membrane Performence 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 (total disolved solids) 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.   Let the tap water and reverse osmosis water run for a few seconds before drawing your sample.

See our selection of TDS meters under Water Tests.  Knowing the rejection rate is the only wat to know if it is time to replace your reverse osmosis membrane.


CUNO Water Factory Replacement Water Filter Cartridges,
* WATER FACTORY ® IS THE REGISTERED TRADEMARK OF 3M FILTRATION, THE MANUFACTURER OF WATER FACTORY ® BRAND WATER TREATMENT EQUIPMENT. THE REPLACEMENT FILTERS AND MEMBRANES LISTED ABOVE ARE MANUFACTURED BY 3M WATER FACTORY AS SO NOTED. WATER FACTORY REVERSE OSMOSIS DRINKING WATER SYSTEMS WERE ALSO MANUFACTURED AND SOLD UNDER THE CUNO BRAND NAME. WE ALSO OFFER COMPATIBLE REPLACEMENT SEDIMENT WATER FILTERS, REPLACEMENT CARBON BLOCK WATER FILTERS, GAC CARBON FILTERS, INLINE POST FILTERS, RO REVERSE OSMOSIS MEMBRANES, PRE FILTERS, FAUCETS, WATER TANKS, VALVES, PUMPS, UV ULTRAVIOLET AND WATER TESTING SUPPLIES FROM VARIOUS OTHER MANUFACTURERS FOR DISCONTINUED CUNO WATER FACTORY DRINKING WATER SYSTEMS.