20" Shutter Exhaust Fan - 4220 CFM - 115 V - 3 Speed - Direct Drive - Aluminum Filters F550 - 12000 lb Cap Popular for its affordability Fire Rescue Equipment PTWGB1508579 BTU & Length (Ft):50,000 BTU - 15'
Platform notes & fabric story
Description
20" Shutter Exhaust Fan 4220 CFM 115 V 3 Speed Direct Drive Aluminum Filters F550 12000 lb Cap Popular for its affordability Fire Rescue Equipment PTWGB1508579 BTU & Length (Ft):50,000 BTU 15' F550 12000 lb Cap Waterproof Reversible 120 BTU 1584 CFM Commercial