Bp-basic Brass Pump

The Boston Pump Works Basic Brass Pump. Heavy duty, lightweight, handheld suction pump consists of a brass air chamber and piston rod, with a dependable neoprene valve. An awesome all around pump, suitable for a wide range of penis pumping modalities. Best suitable for water pumping aka Hydro-penis pumping. Sold with 30 days limited manufacturer's warranty. This is not a kit. Cylinder sold separately. Usage Note: None of the Boston Pump penis pump cylinders are made to hold suction. The penis pumps create negative pressure (vacuum) in the cylinder only! After reaching the optimum level of the vacuum in the suction cylinder, you must disconnect the pump from the cylinder or else you will lose the vacuum. Boston Pump is a U.S. registered trademark and almost 99% of all our products are made in the U.S. Made in the USA