Robinair offers their new VacuMaster line of value-priced 1.5, 3.0 and 5.0 CFM vacuum pumps. Featuring a 2-stage rotary vane design and ultimate vacuum level of 50 microns, these pumps are also engineered with ergonomic handles for better balance when they're lifted or carried. All Robinair pumps carry a 1-year warranty.