Master Flow ERV5WW Power Roof Mount Attic Fan Ventilators, 1250 CFM, Weatherwood Rust Preventative Maintain the original lustre of

Maintain the original lustre of your copper cookware

Can be applied by hand or with a pressure washer

Clamp system

Two coils of 1-3/4" nails provided

Make to fit screen frames and storm windows

Master Flow ERV5WW Power Roof Mount Attic Fan Ventilators, 1250 CFM, Weatherwood Rust Preventative Maintain the original lustre ofHighlights: Airflow CFM : 1250 Color : Weatherwood Net Free Area = 600 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