Bel-Art Scienceware 329470000 High Density Polyethylene Vacuum Aspirator Pump, 11psi
High-density polyethylene aspirator pump operates on water pressure above 11psi (7584 N/m2). The integral check valve resists corrosive filtrates and fumes. A quick-disconnect hose fitting accepts 6.4 to 9.5mm (1/4 to 3/8") I.D. tubing. The male thread faucet connection is 9.5mm (3/8") I.D. Maximum attainable vacuum is 69.6cm Hg (27.4") with a flow of 6 liters (1.5 gallons) per minute.