GPM: 2.2, Description: "Port Size: 1/2"
"This widely used lever operated hand pump features a swiveling spout and light back and forth pumping action for precise flow control. Suitable for use with fresh or salt water. 1/2" hose connection, self-priming to 10'."
"This vertical hand pump with an angled spout and 3-1/2" - 15-1/4" adjustable height is ideal for narrow spaces between sinks or anywhere space is limited. It delivers a smooth water flow on the up and down stroke. Ideal as a back up pump for electric systems, this pump handles fresh or salt water. 1/2" hose connection, self-priming up to 10'."