Water Gem Under Sink Filter System Replacement Inline Filter | Kitchen Tap Water Filter Cartridge | Universal 3/8" Male Stem Filter for Chlorine, Taste, Odour and Scale (2 Pack)Filtered Water on Tap: Water Gem ensures a steady supply of perfectly filtered water directly from the tap, when ever you want it, without the need for a filter jug which needs frequent refills. Activated Carbon: Water Gem effectively reduces sediment, dirt and rust. The Inbuilt scale inhibitor also helps reduce costly scale that can damage your appliances such as kettle, coffee machine etc. WRAS Certified: Water Gem filters are WRAS approved,