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. TLC-350 Merlin Merlin Reverse Osmosis Membrane Element

    Price $111.99 List Price Price $159.99 Save 30%
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  2. 3038333 Merlin Reverse Osmosis Carbon Pre Filter

    Price $41.99 List Price Price $59.99 Save 30%
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  3. 1268260 Merlin Reverse Osmosis Flush Kit

    Price $65.99 List Price Price $93.99 Save 29%
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  4. 1266690 Merlin Merlin Reverse Osmosis Sediment Filter

    Price $27.99 List Price Price $39.99 Save 30%

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