What Does a Penis Pump Do? A penis pump is a vacuum device that can help your penis get hard and stay hard for penetrative sex. You might use one if you have erectile dysfunction (ED), which is ...

A penis pump uses negative air pressure to engorge the blood vessels in your penis to help you develop an erection. Using the pump as directed is essential to prevent injury and other unwanted side ...

In principle, industrial vacuum pumps are merely compressors run with the inlet attached to the vacuum system and the outlet open to exhaust. In smaller sizes, compressors and vacuum pumps are often ...