Cole-Parmer Air Cadet Diaphragm Vacuum/Pressure Pump, Dual Head, 0.9 cfm, Model 7530-60

The Cole-Parmer Air Cadet Diaphragm Vacuum/Pressure Pump, Dual Head, 0.9 cfm, Model 7530-60 gives you increased capacity over the single-head AIR CADET pumps. Use the two pump heads independently or connect them in series with 3/8" ID Tygon® vacuum tubing for up to 23" Hg vacuum. 

Dual-head pump includes thread tape made of PTFE resin, four polyethylene 3/8" NPT(M) x 3/8" hose barb adapters, and a 6-ft, three-wire cord; 115 VAC models include a plug.