Direct drive whole house fan with automatic shutter, pulls air from a house size of 1500 square feet, 4500 cfm, runs on high and low, 2 speed pull chain included, needs 864 square inches of open exhaust vents in attic space, rough opening is 27 3/
24" direct drive whole house fan with automatic shutter, pulls air from a house size of 1500 sqft, 4500 cfm, 110v,runs on high and low, 2 speed pull chain included, needs 864 sqin of open exhaust vents in attic space, rough opening is 27-3/4" x 29", automatic shutter is white, do not have to cut joist when installing fan for easier installation, 10 year limited parts warranty, 5 year limited labor warranty. |