Over 200g of silver impregnated activated carbon filters, freshens and cleanses stored water. Removes chlorine. Comes with a screw on/off replaceable cartridge, 180 degree rotatable ports allowing water to flow in either direction, Aqua filter is not a water purifier Dimensions: 230mm x 140mm x 100mm Weight 650g Fixings: 13mm id hose/ 15mm hep Pressure: max 4.3 bar (60 psi)