Fisher Airejector Aspirator Pump, Airejector 1/4 in. Thread Features: Tapered serrated hose connection on side arm and water outlet Urea nitrogen test by aerator method.Cleaning pipets and sedimentation tubes.Drawing up spilled liqu Typical free air capacity of 0.05 cu. ft./min. (1.4L/min.) with water at gauge [... more] Amazon.com
Nalgene Aspirator Vacuum Pump, Water consumption: 1.7 ... Features: Attaches directly to sink faucets for pumping Integral check valve, 3/8 NPT connecting thread, 43/4in. (12cm) of tubing. Polypropylene vacuum pump.Operates with water at gauge pressures as low as 7.5psig (52kPa).Water con MPN: 09-960-2 [... more] Amazon.com
