Master Flow ERV4 Power Roof Mount Attic Fan Ventilators, 1000 CFM, Mill Wood Electronic ballast provides instant no

Electronic ballast provides instant no flicker cold weather starts

Weeping holes prevent condensation or moisture from remaining trapped

Permanent gold-tone basket-style filter

Use with dispenser Catalog Id : 42986821

Finish : Powder coat

Master Flow ERV4 Power Roof Mount Attic Fan Ventilators, 1000 CFM, Mill Wood Electronic ballast provides instant noHighlights: 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