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Iron Reduction Cartridge 4.5'' x 20''

£202.99
Water filter replacement cartridge for iron reduction. Free UK delivery.

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Product SKU: FFK-DOBY-FE

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Iron reduction cartridge for Doby and other 20 inch housings.

Improves the taste, odour, and colour of water with high iron levels.

Contains KDF85 to remove iron and Granulated Activated Carbon (GAC) to remove chlorine and other chemicals.

Dimensions: 4.5'' x 20'' (inches)

Flow rate: 4-6 gpm; capacity: 40,000 gal @ 2 ppm ferrous iron

Why do I need to change the o-ring?

You can tell if the seals start leaking, which is obvious, I know.

Even if there are no leaks you may find that the profile of the O ring becomes flattened because of prolonged time under compression. The cross section should be round and if it's not it may not seal easily.

However, I recommend that you replace the O rings every two or three years as a precautionary measure.

One of the main reasons for changing O rings periodically is that as they age and compress, the housing bowl needs to be tightened excessively. That leads to difficulty loosening the bowl from the cap next time the cartridge needs to be replaced.

 
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