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Two Rows of Inverted Split "Y" Blades in a 1-13/16" Frame for Flush Mounting in Hollow Metal Frames

Material: 18 gauge CRS. Min size 6" x 4", Max 36" x 36". Multiple sections can be combined for larger sizes.

Construction: 2 rows of inverted split "Y" blades at 1" intervals. Blades are attached by interlocking construction to the 1-13/16" deep assembly mounted in a "U" channel frame. Non-vision Construction. Multiple sections can be combined for larger transoms.

Frame: For installation into hollow metal frame by others. Frame inside dimensions of opening = order size.

Fasteners: Mounting clips furnished with hex head self-drilling tek screw.

Free Flow Area: 50% free area.