Air systems manufactures a combination ventilation fan and duct storage unit to meet the most demanding customer needs. The rugged polyethylene duct cannister is securely attached to one of our rugged lightweight fans to make an ideal ventilator for the customer who wants a one piece ventilation system. The AC version, SVF-8AC, has a 1/3 HP -115 VAC, an 8” diameter outlet and 1395 cfm free air.