Canarm 18" belt drive duct fan, 2hp, 3phase, 6590cfm Model #: BTA18T30200M Paid $1690.00 for it new. Commercial-grade industrial ventilation/duct fan. Intended for HVAC, grow rooms, workshops, warehouses, etc. Bought it a few years ago and never ended up needing it. In like-new condition apart from the paint chipping in a couple spots. Weighs about 80lbs and is designed for high moisture/temperature environments. Model #: BTA18T30200M Canarm 18" belt drive tube axial duct fan for moisture laden air with maximum temperature of 200 degrees F. (2Hp, 208-230/460V, 3Ph, 6590CFM @ 0" S.P.)