20" Carbon Block Filters
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20" Reverse Osmosis RO Jumbo Carbon Block Filter (4.5" Diameter)£29.99Finest Filters 20” Jumbo (4.5” Wide) carbon block filter cartridge. A suitable replacement for all larger diameter housings. Commonly referred to as ‘big blue’ housings. This filter cartridge reduces levels of Chlorine up to 99%, Organic Compounds and Volatile Organic Compounds (VOCs).
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20" Carbon Block Filter Cartridge£9.49You 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.
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3 x 20" Carbon Block Filter Cartridges£24.99You 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.
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5 x 20" Carbon Block Filter Cartridges£35.99You 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.
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10 x 20" Carbon Block Filter Cartridges£64.99You 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