1250 CFM Black Power Roof Mount Attic Fan

Updated August 10, 2026

Lot number	119r
Auction	1038 HOME IMPROVEMENT ~MILTON~
Date	August 12, 2026 at 3:00 PM EDT
Auction house	Rockey Auctions
Location	NORTHUMBERLAND, Pennsylvania

Brand: Master Flow Model: ERV5BL Retail Price: $139 The GAF Master Flow ERV5 Power Roof Vent is a great overall investment in attic ventilation. It can quickly remove a larger volume of hot and/or humid air from your attic when compared to static ventilation. This in turn can help save money on your heating and cooling costs. The ERV5 model Power Roof Mount Vent can move air at a rate of up to 1250 cu. ft. per minute. It is designed for attic spaces up to 2200 sq. ft. Airflow (CFM): 1250. Amperage (A): 1.35 A. Color Family: Black. Color/Finish: Black. Features: Thermostat Controlled. Horsepower (hp): 1/12. Intake/Exhaust: Exhaust. Material: Galvanized Steel. Mounting Position: Roof Mount. Power Type: Electric Powered. Product Weight (lb.): 17 lb. Recommended Sq. Ft.: 2200. Ventilation Type: Roof. Voltage (V): 120 V. Wattage (watts): 160. Coverage Area (Sq.Ft): 2200. Cut-Out Diameter (in.): 15. Net-Free Area (Sq. In.): 600. Product Depth (in.): 25 in. Product Height (in.): 9 in. Product Width (in.): 25 in. Rough Opening Height (in.): 15 in. Rough Opening Width (in.): 15 in. Ventilation Type: Roof. Disclaimer : DISCLAIMER: This listing contains a stock image of the item to be auctioned, in order to illustrate the item’s design and functionality when new. However, this stock image is provided for ILLUSTRATION PURPOSES ONLY and cannot be relied upon by any bidder. Instead, actual photos of the specific item up for auction are provided within the gallery. Any written overview regarding features, operations, or capabilities reflects the item’s original specification when new and does not guarantee current condition or complete performance. The absence of any description by Rockey Auction of the item to be auctioned does not establish an implied representation that it is new or functional. It is a bidder's sole responsibility to inspect all actual product photos, read descriptions carefully, and perform any desired pre-bid inspections or inquiries. Bids placed constitute full acknowledgment and satisfaction with the item's condition along with Rockey Auction’s terms AND CONDITIONS of sale, which can be found in full in the tab below.

1250 CFM Black Power Roof Mount Attic Fan

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