Horsetrailer Air Flow Roof Vent 1 Pair Aluminum Popup High Profile Gasket Bi-Directional Watertight

Aluminum Pop-Up Vent 13.375 L X 7.75” W X 2.40” H ( Flange To Cover Closed) Overall Size. Bi-Directional, Forward Or Reverse Top Opening. Mounting Flange Has A Perimeter Of Holes For Fastening, (12) 3/16” Diameter. Top Lid Securely Clamps Down To Prevent Water Entry, Gasket-Ed Lid. Cutout Opening 5 5/8” X 11 1/4”, Inside Corners Require A 2.25” Radius. Designed To Place On A Flat Roof. Includes (2) 1/8” Thick Neoprene Gasket. There Are Two Plastic Support Ends That Are Part Of The Mechanism That Allows Lid To Pivot.