45° Thinline Outdoor Louver Gable Vent (Channel Frame) - Customizable 2-Way Deflection The door comes with a

The door comes with a convenient turn lock that can be effortlessly rotated using a flat rigid tool

actual front end outer dimensions are 19" Width X 19" Height

actual front end outer dimensions are approximately 4

Whether on sidewalls or ceilings

is the same as a 1/4" Plumbing fitting

45° Thinline Outdoor Louver Gable Vent (Channel Frame) - Customizable 2-Way Deflection The door comes with aOur 45 Thinline Aluminum Louver Vent Exterior Air Grille for Walls, Gables & Crawlspaces is Weather Resistant with a Channel Frame. Features Fixed 45 horizontal blades on 3 4" spacing. Fully extruded aluminum blades and channel frame. Supports are hidden behind blades for a clean appearance. Bird screen is standard or optional insect screen. Available in 1" standard dimension increments. Custom sizes manufactured up to 1 16" increments. Mounting