"This NorthStar Replacement Pump Head makes it easy to add NorthStar NSQ Series quality and quick-connect convenience to your sprayer pump in minutes. This easy-to-install pump head delivers the perfect flow for spot spraying, broadcast spraying and transfer applications. Dimensions L x W x H in. 5 x 4 x 5, Outlet Port in. 3/4 quick connect, Self-Priming Yes, Inlet Port in. 3/4 quick connect, Lift ft. 8, Flow GPM 5.5, Seal Type Viton, Temperature Capacity F 140, Pressure PSI 60. Fits Item#s 2685561, 2685562, 2685563 and 2685564 Automatically turns off when no flow is required to conserve battery power 100 continuous duty rating Roundup ready Honeywell MICRO SWITCH for enhanced durability and efficiency Self-priming Santoprene diaphragm and Viton valves for reliability, longer life and better priming Fiberglass reinforced polypropylene pump manifold for superior durability and resistance to chemicals"