Air Supply Ultra 9000 Air Blower. 1.0HP, 240 Volt, 2.4 Amp With 4 Pin Amp Plug. Highly Advanced Super Quiet Blower Designed For Portable Spas. The Ultra 9000 Offers. Completely redesigned intake manifold to eliminate small objects and debris from entering blower causing failure. A unique rubber motor mount which absorbs noise and vibration. A 2 inch tapered slip fitting eliminates the need for glue or clamps. Maximum blower size for 1-1/2 pvc pipe is 1HP. Blower Horsepower 1.0hp Blower Voltage 230v Blower Amperage 2.5A.