LL Bldg Prods
Whole House Fan Shutter - 24"
MODEL #: S24
$ 146.93
Whole House Fans & Shutters
M-D Bldg Prods
Attic Fan & Vent Sealer, White/Reflective - 48" x 48"
MODEL #: 43251
$ 27.60
Whole house fans and shutters pull cool outdoor air through windows and exhaust hot attic air, providing an energy-efficient alternative to air conditioning on mild days and evenings.