20" Carbon Block Filters

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  1. 20" Carbon Block Filter Cartridge

    You are purchasing a 20" Reverse Osmosis carbon block filter cartridge.

    Important - Please Note: These are 20" filter cartridges and not 10" which is used on standard residential RO units. If you have a small residential unit, please see our 10" filters in our eBay shop.

    Learn More
  2. 3 x 20" Carbon Block Filter Cartridges

    You are purchasing a pack of 3 x 20" Reverse Osmosis carbon block filter cartridges.

    Important - Please Note: These are 20" filter cartridges and not 10" which is used on standard residential RO units. If you have a small residential unit, please see our 10" filters in our eBay shop.

    Learn More
  3. 5 x 20" Carbon Block Filter Cartridges

    You are purchasing a pack of 5 x 20" Reverse Osmosis carbon block filter cartridges.

    Important - Please Note: These are 20" filter cartridges and not 10" which is used on standard residential RO units. If you have a small residential unit, please see our 10" filters in our eBay shop.

    Learn More
  4. 10 x 20" Carbon Block Filter Cartridges

    You are purchasing a pack of 10 x 20" Reverse Osmosis carbon block filter cartridges.

    Important - Please Note: These are 20" filter cartridges and not 10" which is used on standard residential RO units. If you have a small residential unit, please see our 10" filters in our eBay shop.

    Learn More

4 Items

per page
Set Descending Direction