A compact highly efficient centrifugal pump with a performance capability that belies its size. Fits inline into existing hand or foot operated systems, and light enough to be suspended in the pipe work. When fitted below level of water tank it can be primed by gravity, eliminating the need for a manual priming pump. Unit is completely sealed to avoid damage from damp atmosphere or casual water. Materials: ABS, Neoprene Rubber and Stainless Steel