Whale Replacement Pump Head for Gulper 220/320

Replacement pump head for Whale Gulper 320, 220 and Whale Gulper IC pumps with intelligent control electronics built in. The pump head is constructed from blue glass-filled nylon, and contains the pump head housing, diaphragm and pump valves in one easy-to-fit kit. Kit contents: o Diaphragm o M5 Nyloc Nut o M5 x 16mm Hex Screw o Outlet Valve Tricuspid o Marine Head 3/4″ & 1″ o Valve Inlet & Outlet o Valve Plate o Outlet Valve Housing