AC Axial blower offers lightweight design and high output from an AC electric motor. Easy-to-use ventilation system is designed with tough steel construction, a durable grill, convenient carry handle and rubber feet. DC Axial blower is perfect when electricity is not available and may be operated off a truck battery. Features same durable construction as AC model except with a 12 VDC electric motor with thermal protector, single speed performance. Both systems can be stored vertically. Units sold individually or as a kit with choice of 15' or 25' of ducting with durable canister.