Master Flow ERV4WW Power Attic Ventilators Roof Mount, Weather Wood Hole Saws 2-3/8" or 2-3/4" backset

2-3/8" or 2-3/4" backset

Brand:"Premier"

easy plug in style connections reduces possible short circuits and cross wiring of brake controls

Good disease and insect resistance

Two position saw hook for safe rafter placement

Master Flow ERV4WW Power Attic Ventilators Roof Mount, Weather Wood Hole Saws 2-3/8" or 2-3/4" backsetPre 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