Master Flow ERV4BL Power Roof Mount Attic Fan Ventilators, 1000 CFM, Black

Highlights:

• 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 competitors vents (Based on GAF testing at 120-Volt)
• Helps to reduce energy costs and helps prolong life of the roof and shingles
• Galvanized steel construction for durability

Shipping calculated at checkout.

Returns accepted within 30 days by mail. Return shipping is paid by the customer. See our refund policy.