The Doulton W9120562 Sterasyl S 10" Ceramic Candle is a highly effective ceramic micro filter which provides genuine sub micron filtration of drinking water. It fits standard 10" filter housings. It has a dimension of 2? x 2? x 9.8?. The Doulton W9120562 comes with a highly consistent and controlled pore structure that removes a wide range of water borne contaminants and fine particulates like bacteria, cysts, and turbidity. The ceramic shell is sliver impregnated to inhibit bacteria growth, making the filter self sterilizing. The Sterasyl S 10" Ceramic Candle has a short 3/4" long mount, a micron rating of 0.9, a flow rate of 1.33 gpm, and a 2600 gallon capacity. This ceramic candle is ideal for RO guard and post filtration.