Product Overview
Simple manual air pump suitable for use with vacuum experiments as well as to generate pressure. The pump features a stable round base 80 mm diameter which is molded as one piece with the barrel from strong ABS plastic, a spring-loaded steel piston with neoprene O-ring seal and plastic handle, and two 10 mm hose connectors for vacuum and pressure respectively. It can be operated by hand or foot to create vacuum or pressure, independent of a power supply.
