Master Flow ERV4BL Power Roof Mount Attic Fan Ventilators, 1000 CFM, Black BF20 Self cleaning cleated outsole

Self cleaning cleated outsole

paintable & stainable

Top front facing locks standards in place on track

reliable shot performance

Designed to work perfectly with other stackable storage organizers

Master Flow ERV4BL Power Roof Mount Attic Fan Ventilators, 1000 CFM, Black BF20 Self cleaning cleated outsoleHighlights: Airflow CFM : 1000 Color : Black 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