XtremepowerUS 5 CFM Two-Stage Vacuum Pump 5 Gallons Chamber Kit Degass Urethanes, Silicones and Epoxies High Efficiency and Low Noise Heavy-duty Aluminum Alloy Casing Heavy duty 3/4" shatter resistant acrylic crystal lid allows you to see inside and bulletproof 5 CFM 142L/Min 2 Stage design means faster and higher vacuum level