"Vacuum Pumps"

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

This convenient system features a 90 mm Ø opening to filter faster through 0.22 μm membranes where autoclaving is not required.

Compact design for easy use.

Achieve impressive high-vacuum results with this cost effective laboratory pump.

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.

Welch Vacuum Pumps are perfect for vacuum or pressure applications.

This vacuum plate and pad are the perfect tools for vacuum experiments.

Sale

More economical than an electric vacuum pump.