Attach the Nalgene™ aspirator vacuum pump directly to sink faucets for vacuum draw. It can draw 11,5 L air per minute at a water flow rate of 6,5 L per minute. It operates efficiently with water pressures as low as 7,5 psig for minimum water consumption and comes with an integral check valve and tubing for insertion in discharge end.

• Attaches to a standard faucet with ³/₈" NPT connecting thread for easy installation
• Ultimate achievable vacuum of 724 mm Hg
• Integral check valve that prevents loss of vacuum when water source is disrupted and prevents backflow
• Polypropylene, with PE tubing