WRAS Certified Small, quiet operation Minimum working pressure: 0.15 bar Suitable for most tanks and aquariums Energy-grade resin with 4 tons extension strength for excellent durability Side and bottom entries Tail length: 1 1/4 inch (1/2 inch male BSP screws) Removable, easy to clean Filter Maximum pressure: 14 bar Part number; 802-070 802-070 is a side entry, part number; 802-086 802-086 is the bottom entry