20" Granulated Carbon Filters

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  1. 20" Jumbo Granular Activated Carbon GAC Filter (4.5" Diameter)

    Finest Filters 20” Jumbo (4.5” Wide) granulated carbon (GAC) filter cartridge. A suitable replacement for all larger diameter housings. Commonly referred to as ‘big blue’ housings.

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  2. 20" Granulated Carbon (GAC) Filter Cartridge

    You are purchasing a 20" Reverse Osmosis granulated carbon (GAC) 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.

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  3. 3 x 20" Granulated Carbon (GAC) Filter Cartridges

    You are purchasing a pack of 3 x 20" Reverse Osmosis granulated carbon (GAC) 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.

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  4. 5 x 20" Granulated Carbon (GAC) Filter Cartridges

    You are purchasing a pack of 5 x 20" Reverse Osmosis granulated carbon (GAC) 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
  5. 10 x 20" Granulated Carbon (GAC) Filter Cartridges

    You are purchasing a pack of 10 x 20" Reverse Osmosis granulated carbon (GAC) 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

5 Items

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