Ventamatic Cool Attic Galvanized Steel, Aluminum Louvers 22 In. W x 22 In. H x 3 In. D Automatic Automatic Gable Shutter basket Rigorous quality testing ensures secure

Rigorous quality testing ensures secure encryption to prevent hacking and extreme 800-ft

replacement chain

Easily installs by cutting to desired length

Effortless vacuuming of larger areas with 33 ft operating radius

heavy-duty cover

Ventamatic Cool Attic Galvanized Steel, Aluminum Louvers 22 In. W x 22 In. H x 3 In. D Automatic Automatic Gable Shutter basket Rigorous quality testing ensures secureHigh impact, galvanized steel frame, felt padded 0. 020 gauge aluminum louvers for ultra quiet operation. Louvers open automatically when ventilator is operating. When ventilator turns off, louvers close to keep out insects, rain, and dust. Pre assembled for easy installation.