Premium Cool Aire®, Dual Pro™ Balloon Inflator features & benefits: Lower Foil Pressure prevents damage to self-sealing, foil balloon valves. Unique Patent Pending Design automatically switches the motor to Low Pressure Foil inflation when the large foil adapter is taken off nozzle holder and put onto nozzle for inflation. For High Pressure Latex inflation put the large foil adapter back onto holding post on case and twist to lock on post. Power consumption is reduced by 50% when Dual Pro™ is in Foil Inflation Mode. Includes Patented Nozzle-Activated switch for Momentary use and ON/OFF rocker switch. Produces the coolest air from an inflator to assure that the inflated balloon stays full and fresh. Reducer nozzle holders built on unit for quick access. Small reducer for small latex; Medium reducer for small foil; and large reducer (that activates the lower speed) for large foil balloons.