These hand actuated vacuum pumps are a must have for filtering and creating vacuums by hand. Capable of pulling a partial vacuum of up to 50mm Hg on systems up to 600ml.

Includes an attached vacuum gauge that reads 0 to -760mm Hg and 0 to -0.1 MPa.Each pump of the handle will displace approximately 15ml in volume. This pump has a quick-release valve to release pressure without disconnecting the pump.

This device can also be used as a pressure pump by connecting the tubing to the outlet connection and placing the cap on the inlet connection. Includes a single piece of 40cm clear vinyl tubing with an OD of 9mm