Master Flow ERV4 Power Roof Mount Attic Fan Ventilators, 1000 CFM, Mill FREE SHIPPING a single-ply throat latch and

a single-ply throat latch and brown latigo leather ties at bit ends

High capacity sprayer with 3' extension hose

no electricity and tough construction

dry concrete prior to applying Pli-Stix™

Master Flow ERV4 Power Roof Mount Attic Fan Ventilators, 1000 CFM, Mill FREE SHIPPING a single-ply throat latch andHighlights: 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