Shutoff designs promote multiple configurations to fit the exact end use application. Shutoffs are inexpensive Female Garden Hose to Male Garden Hose valves designed for indoor or outdoor use. Shutoffs are designed for city water pressure to a maximum of 80 psi. Shutoffs are a one way valve and require approximately 20 psi of water pressure to seal in the closed position. An optional zero pressure washer is available for applications with less than 20 psi of working line pressure. 80 PSI max. Max.temp. 140°F. Ball through hole diameter .437. 1-3/4 W x 1-1/2 H. Both have ABS ball and handle, zinc plated steel screw, Buna-N seals, SEBS hose washer. #22165 has an ABS body, #22166 has a polypropylene body.