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You are here: Home > Reverse Osmosis > Replacement Cartridges, Membranes, and Accessories
Browse our large selection of Reverse Osmosis Cartridges, Membranes, and accessories.  Carbon block, sediment, Deionization, SILICAMAX, RO Membranes, shutt off kits, flow restrictors, flush kits, float valves, and more.
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Sediment Filter Cartridge 1 Micron
Sediment Filter Cartridge - 1 Micron
Replacement string wound sediment filter cartride for use in all Full Size RO and RO/DI units.  Available in 1 and 5 micron.

List Price: $9.99
Our Price: $4.95
Sale Price: 5.95
You save $5.04!
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Kent Marine RO Flush Kit
Kent Marine RO Flush Kit
The Kent Marine RO Flush Kit allows full stream of water to clean membrane of any buildup to prolong life.

List Price: $17.99
Our Price: 14.88
You save $3.11!
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Solid Carbon Block Pre-Filter
Solid Carbon Block Pre-Filter
Solid carbon block prefilter for Full Size TFC RO and RO/DI systems. Finest carbon filter ever made. Rated to remove up to 2 ppm chlorine for 3,750 gallons.

List Price: $19.95
Our Price: 17.38
You save $2.57!
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Kent Marine Float Valve
Kent Marine Float Valve
Made from ABS High Density Plastic. The Float Valve is rated for City Water Pressure and will mount in a sump, hard plastic pond, or garbage can. The Float Valve is also available in the Float Valve Kit which includes all fittings and parts to attach to a Reverse Osmosis or Deion unit.

List Price: $21.99
Our Price: 18.88
You save $3.11!
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Kent Marine RO Pressure Gauge Kit
Kent Marine RO Pressure Gauge Kit
The Gauge Kit installs inline before the RO or Maxxima unit and measures the incoming water pressure. This will insure that you are getting the correct psi for optimal efficiency of your filter.

List Price: $34.99
Our Price: 26.88
You save $8.11!
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Deionization DI Cartridge Color Change
Deionization (DI) Cartridge - Color Change
Deionization mixed bed resin cartridge. Color indicator type. Must be discarded when exhausted. Used in PostDi filters, including all full size RO/DI Maxxima units.

List Price: $35.95
Our Price: 32.88
You save $3.07!
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RO TFC Membrane 10 GPD
RO TFC Membrane - 10 GPD
TFC Replacement membranes for use with RO and RO/DI filters. Choose the membrane that matches the GPD output of your system. Available in 10, 24, and 50 GPD. The 100 GPD system uses two 50 GPD cartriges.

List Price: $76.95
Our Price: $55.88
Sale Price: 45.44
You save $31.51!
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Kent Marine Float Valve Kit
Kent Marine Float Valve Kit
Includes both float valve and shut off kit for shuting off both RO and Deion units. Parts Include: Float Valve and Shutoffkit parts.

List Price: $63.99
Our Price: 51.88
You save $12.11!
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RO TFC Membrane 24 GPD
RO TFC Membrane - 24 GPD
TFC Replacement membranes for use with RO and RO/DI filters. Choose the membrane that matches the GPD output of your system. Available in 10, 24, and 50 GPD. The 100 GPD system uses two 50 GPD cartriges.

List Price: $89.99
Our Price: 78.88
You save $11.11!
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Hi-S Membrane 35 GPD
Hi-S Membrane - 35 GPD
Replacement membranes for Kent Hi-S RO and Hi-S RO/DI Maxxima units.

List Price: $104.99
Our Price: 86.88
You save $18.11!
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RO TFC Membrane 50 GPD
RO TFC Membrane - 50 GPD
TFC Replacement membranes for use with RO and RO/DI filters. Choose the membrane that matches the GPD output of your system. Available in 10, 24, and 50 GPD. The 100 GPD system uses two 50 GPD cartriges.

List Price: $122.95
Our Price: 104.99
You save $17.96!
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Hi-S Membrane 60 GPD
Hi-S Membrane - 60 GPD
Replacement membranes for Kent Hi-S RO and Hi-S RO/DI Maxxima units.

List Price: $131.99
Our Price: 109.88
You save $22.11!
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