Master Flow 30BWHFS Whole House Fan & Shutter, 30" Duplex Roll Length: 330'

Roll Length: 330'

also works with OIS compatible tools including Bosch

Meets ASTM F-1807

Made of Cast Brass

Dries to a warm

Master Flow 30BWHFS Whole House Fan & Shutter, 30" Duplex Roll Length: 330'Used in place of air conditioning to reduce energy costs in homes over 1,000 sq. ft. 2 speed wall switch for convenient operation. Permanently lubricated center shaft ball bearings. Belt driven by die cast pulleys to isolate noise and vibration for quieter operation. Efficient, longer lasting, thermally protected, permanent split capacitor motor runs at 120 V. Balanced aluminum fan blade assembly for quiet operation. Sturdy metal frame, pre assembled