Builders Edge 22"W x 22"H Octagon Gable Vent Louver, 54 Sq. Inch Vent Area, 001 - White Sporting Goods Can also be used on

Can also be used on walls and ceilings

Heavy-duty & self-locking

Double rolled thread for faster clamping and increased durability

Set includes (2) 7' side strips and (1) 3' top strip (no bottom)

Will slide over doorsteps or floor edges with a height difference of up to 3/16'

Builders Edge 22"W x 22"H Octagon Gable Vent Louver, 54 Sq. Inch Vent Area, 001 - White Sporting Goods Can also be used onA unique shape and crisp angles of an octagonal vent really stand out, especially when in a vivid, contrasting color. Use with a wide range of siding materials. Available Sizes: 18", 22", 27", 32" Keystone available for all sizes except 18"; field modifications can be made to fit a keystone Depth: 2" Venting Area: 18" 26 sq. in.; 22" 54 sq. in.; 27" 81 sq. in.; 32" 110 sq. in. Rough Opening: 18" 5"x 6"; 22" 7" x 8", 27" 9" x 9"; 32" 10" x 11" Locking