Reverse Osmosis System Filters, RO Membranes and Parts

Dow Filmtec Reverse Osmosis Membranes ®

Dow Filmtec ® TFC Replacement Reverse Osmosis RO Membranes - Standard Size.

Find out how to increase the GPD capacity size of your membrane.

Dow Filmtec commercial membranes available.

  1. DOW FILMTEC TW30-1812-75 (BW60-1812-75) #114731 RO Reverse Osmosis Membrane- 1000
    Dow Filmtec ® TW30-1812-75 (BW60-1812-75) #114731 RO reverse osmosis membrane
    Dow Filmtec ® TW30-1812-75 (BW60-1812-75) TFC 75 GPD RO reverse osmosis membrane - standard size 1.75" X 11.75" Extra fast recovery and high production flow rate. #114731 Learn More
    $119.99 Special Price $74.99 As low as $49.99
  2. DOW FILMTEC - TW30-1812-100 HR RO Reverse Osmosis Membrane 170102- 1000
    Dow Filmtec ® TW30-1812-100 HR RO reverse osmosis membrane 170102
    Dow Filmtec ® TFC 100 GPD RO reverse osmosis membrane - standard size 1.75" X 11.75" Extra fast recovery and high production flow rate. Learn More
    $129.99 Special Price $84.99 As low as $59.99
  3. Flow_Restrictor-1000
    Inline RO reverse osmosis membrane flow restrictor

    Premium inline reverse osmosis membrane flow restrictor - Keep your system operating correctly by replacing worn flow restrictors.  Reverse Osmosis systems use pressure differencials to power the reverse osmosis process.  A worn flow restrictor will alter the proper balance. Our in-line capillary flow restrictors are very simple to install.

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    $33.99 Special Price $19.99 As low as $14.99
  4. Standard Size RO Reverse Osmosis Membrane Housing
    Standard Size RO Reverse Osmosis Membrane Housing
    Standard size RO reverse osmosis membrane housing - 90° Ports with 1/8" FNPT Threads - Includes New O-rings and 3 90° 1/4" Jaco Fittings For 1/4" Tube, or upgrade to the John Guest Quick Connectors. The end with a single port is the inlet feed water. On the end with two ports the center port is the permeate (product) water. The offset port is the brine (waste). Learn More
    $34.99 Special Price $19.99 As low as $16.99
  5. O-rings For Standard Style RO Reverse Osmosis Membrane Housing
    O-rings For Standard Style RO Reverse Osmosis Membrane Housing

    O-rings For Standard Style RO Reverse Osmosis Membrane Housing. Pair of O-rings for standard style reverse osmosis membrane housings.

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    $17.99 Special Price $9.99 As low as $8.49
  6. TW30-1812 RO Membrane Housing- 304 Stainless Steel- SS-1812- 1000
    TW30-1812 RO Membrane Housing - 304 Stainless Steel - SS-1812
    TW30-1812 Stainless Steel RO Membrane Housing - High detail and quality. This high end Stainless Steel RO Membrane Housing fits standard residential TW30-1812 RO membranes, which is the most common size of reverse osmosis membrane for home RO systems. This SS Membrane Housing is the finest quality housing we have ever seen for residential RO systems. It is the last membrane housing you will ever need to buy. In stock for same day shipping. Learn More
    $129.99 Special Price $89.99
  7. 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? Learn More
    $5.99 Special Price $3.99 As low as $1.79
  8. 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
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.