Standard Size Reverse Osmosis RO System Filters

Standard Size Reverse Osmosis RO System Filter Change Replacement Cartridges
  1. Four Stage Standard RO Reverse Osmosis Water Filter Change Kit
    Four Stage Standard RO Reverse Osmosis Water Filter Change Kit
    Four Stage Standard RO Reverse Osmosis Water Filter Change Kit. One Year Filter Change Kit: (2) 5 Micron Poly Spun Sediment Pre Filters (9 7/8") (1) 10 Micron Extruded Carbon Pre Filter (9 3/4") (1) In-Line GAC Post Filter (Granular Activated Carbon 10") The sediment prefilter needs changed twice as often as the carbon filters, so our kit includes an extra one. RO Membranes are sold separately. Learn More
    $39.99 Special Price $33.99 As low as $27.99
  2. Standard Five Stage RO Reverse Osmosis Water Filter Change Kit-1000
    Five Stage Standard RO Reverse Osmosis Water Filter Change Kit
    Five Stage Standard RO Reverse Osmosis Water Filter Change Kit. One Year Filter Change Kit: (2) 5 Micron Poly Spun Sediment Pre Filters (9 7/8") (2) 10 Micron Extruded Carbon Pre Filter (9 3/4") (1) In-Line GAC Post Filter (Granular Activated Carbon 10") FREE CARBON BLOCK UPGRADE - Our 5 stage filter replacement kit has a second carbon block pre filter to replace the GAC hard shell pre filter that comes standard in most RO systems. The sediment prefilter needs changed twice as often as the carbon filters, so our kit includes an extra one. RO Membranes are sold separately. Learn More
    $54.99 Special Price $43.99 As low as $35.99
  3. DOW FILMTEC TW30-1812-24 RO #93430 Reverse Osmosis Membrane- 1000
    Dow Filmtec ® TW30-1812-24 RO # 93430 reverse osmosis membrane
    Dow Filmtec ® TFC 24 GPD RO reverse osmosis membrane - standard size 1.75" X 11.75" # 93430 Learn More
    $89.99 Special Price $56.99 As low as $37.99
  4. DOW FILMTEC - TW30-1812-36 #80719 RO Reverse Osmosis Membrane-1000
    Dow Filmtec ® TW30-1812-36 # 80719 RO reverse osmosis membrane
    Dow Filmtec ® TW30-1812-36 TFC 36 GPD RO reverse osmosis membrane - standard size 1.75" X 11.75" Part # 80719 Learn More
    $99.99 Special Price $59.99 As low as $39.99
  5. DOW FILMTEC -  TW30-1812-50 RO Reverse Osmosis Membrane #80722-1000
    Dow Filmtec ® TW30-1812-50 RO reverse osmosis membrane # 80722
    Dow Filmtec ® TW30-1812-50 TFC 50 GPD RO reverse osmosis membrane - standard size 1.75" X 11.75" Part # 80722 Learn More
    $84.99 Special Price $69.99 As low as $54.99
  6. 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
  7. 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
  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 Learn More
    $49.99 Special Price $37.99 As low as $17.99