Master Flow ERV4WW Power Attic Ventilators Roof Mount, Weather Wood Entrance Powder coated steel

Powder coated steel

Formulated for supreme heat

No extra wiring

efficient drilling

Master Flow ERV4WW Power Attic Ventilators Roof Mount, Weather Wood Entrance Powder coated steelPre 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. Highlights: Roof Mount Galvanized Steel Max Attic Size = 1600 Sq Ft Net Free Area = 480 Sq. Ft. Color : weather wood Airflow Cfm