RamFan UB20 XX-50 Quick-Couple 8"/20cm Blower w/ Canister, 220V / 7.6m Powerful, compact size and lightweight Intrinsically safe blower with totally enclosed motor is safe for use in avariety of adverse atmospheres. Super compact and lightweight while delivering the highest CFM available in its class. Anti-static housing forhazardous conditions. Tough dual wall casing - weather proof, chemicalresistant and dent proof. Ultra-quiet operation at 74dB. Power cable is 30 ft.long. Detachable in seconds, the Quick-Couple canister conveniently reverses fromdischarge to suction, making use and storage easier while protecting the ductfrom rips and tears.