Master Flow ERV4 Power Roof Mount Attic Fan Ventilators, 1000 CFM, Mill Wood Weeping holes prevent condensation or

Weeping holes prevent condensation or moisture from remaining trapped

Electronic ballast provides instant no flicker cold weather starts

The Arrow TruTac TT50 Heavy Duty Forward Action Stapler is great for projects around the house

Length: 30 inch

Permanent gold-tone basket-style filter

Master Flow ERV4 Power Roof Mount Attic Fan Ventilators, 1000 CFM, Mill Wood Weeping holes prevent condensation orHighlights: Airflow CFM : 1000 Color : Mill Net Free Area = 480 Sq. Ft. Pre wired roof mount attic vent and thermostat control Helps exhaust large amounts of hot and humid air from your attic Helps protect your roofing system and promotes your home's energy efficiency Energy efficient PSC (permanent split capacitor) Includes internal heavy duty screen which helps prevent animal infestation Energy efficient, uses up to 55% less electricity than typical