Zoom Blowers 1.0 HP Adjustable Performance Super High Output Commercial Bounce House Blower 1.0 HP, Ultra High Output 115V, 60HZ Zoom blowers are high quality, powerful commercial air movers PA 980, Static pressure 20% higher and electric consumption is 15% lower than before Easy access to all parts and electric components, butterfly switch style New "AFAD" air flow adjustable device for maximum performance and safe energy, UL Listed