Reverse Osmosis Water Filter Replacement Cartridges and Kits

Reverse Osmosis: a water purification technology that utilizes a semi-permeable membrane to remove microscopic particles (typically anything larger than 0.001 microns in size) from drinking water.

Select what type of reverse osmosis filter part you’re searching for (system, filter, etc.) and browse or search through hundreds of our reverse osmosis water filters, systems, membranes, and other water filter parts. Choose from some of the industry’s top reverse osmosis brands including, Watts®, Hydrologic, Hydrotech, and Water Factory Systems.

Not sure if investing in a reverse osmosis water filter is what you want, then check out our thousands of other popular water filters, including whole house, under sink, faucet filters, and many more.

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  1. Pentair GRO-75EN TLC Encapsulated Membrane

    Price $99.99 List Price Price $142.99 Save 30%
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  2. Pentair GRO-50EN TLC Encapsulated Membrane

    Price $93.99 List Price Price $134.99 Save 30%
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  3. Aqua Flo Reverse Osmosis Membrane (50 GPD)

    Price $23.99 List Price Price $34.99 Save 31%
  4. TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    Price $111.99 List Price Price $159.99 Save 30%
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  5. 208084 Axeon HF5-2540 Commercial Reverse Osmosis Membrane

    Price $241.99 List Price Price $345.99 Save 30%
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  6. ROM-230TN Pentek Reverse Osmosis Membrane

    Price $114.99 List Price Price $164.27 Save 29%
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  7. WROM-230TN American Plumber Reverse Osmosis Replacement Membrane

    Price $117.99 List Price Price $168.56 Save 30%
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  8. 33001033 Hydrotech TFC Reverse Osmosis Membrane

    Price $72.99 List Price Price $104.99 Save 30%
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  9. AG2540TF Desal Reverse Osmosis Membrane

    Price $256.99 List Price Price $367.99 Save 30%
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  10. 33001068 Hydrotech TFC Reverse Osmosis Membrane

    Price $63.99 List Price Price $91.99 Save 30%
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  11. TQ56-50FC PuROTwist Reverse Osmosis Membrane

    Price $71.99 List Price Price $102.99 Save 30%
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21 Products found

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