Sturdy Construction: Sturdy construction & One long continuous hinge for fully adjustment
High Quality: High-density UV-resistant polyethylene and rust-resistant hardware for years of rugged use
14" vent cover. Actual Size is 15" x 15" x 2" - (1 year warranty and friendly customer service)
Easy Installation: With accessories pre-assembled for easy installation and operation. Easy-to-install Zero-Leak mounting system lets you avoid drilling holes into your roof's surface