Built into a heavy-duty bag, with zippered ends to allow blower use without removing the blower from the bag. The 12 air bag features a 1/2 hp 12 blower that weighs 35 lbs. and delivers 1800 cfm free air. The 8 air bag features a 1/4 hp 8 blower that weighs 25 lbs. and delivers 700 cfm free air. Both blowers have a 9-blade polypropylene fan, a steel/powder-coated housing and grill, a carry handle with molded-in, 2-speed switch and includes single-ply, lightweight vinyl/polyester PVC-coated 15 ducting. ETL/UL approved. Ships Direct F.O.B. Mfg.