"WardsSci000566"

This lightweight polypropylene pump provides a constant vacuum when hooked to a standard faucet; it operates efficiently with water pressures as low as 7.5 psi for minimum water consumption. It has a maximum free-air pumping capacity of 11.5 liters per minute at a water-flow rate of 6.5 liters per minute. Ultimate vacuum: 28.5" Hg. Supplied with integral check valve, 3/8" NPT connecting thread, and 4 3/4" length of tubing for insertion in discharge end.

Ideal for vacuum filtrations under both high and low water pressure.

More economical than an electric vacuum pump.

This laboratory vacuum pump is library-quiet, small, durable, and chemical resistant.

This laboratory vacuum pump is library-quiet, small, durable, and chemical resistant.