Reverse Osmosis Water Fed Pole Window Cleaning Replacement Filters. Sediment- polypropylene foam filter cartridge removes sand, rust, silt and other sediments up to 5 Micron. Filter cartridge with granular activated carbon and non-woven polypropylene material, removes chlorine and organic compounds Filter 3. The carbon is formed in specially pressured, high density blocks to gain high adsorption rate of chlorine, other chemicals and multi particle organic substances.1L of DI resin (Tulsion MB-115). This item is in the category "Pet Supplies\Fish & Aquarium\Reverse Osmosis & Deionization". The seller is "bypiak" and is located in this country: GB. This item can be shipped to United Kingdom.