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Heavy duty door louvers feature flanged frame has welded and/or staked mitered corners for added strength. The blades are inverted V style spaced on approximately 5/8" centers for maximum privacy. The louvers can be used for the transfer of air through any barrier and are ideal for use with 1-3/8" to 2-1/4" thick wood or metal doors. Comes standard with color matched #8 x Â¾" Phillips head mounting screws and Gray Primer Finish. MADE IN THE USA

Steel Door Louver 20&quot; x 20&quot; - SDL 20x20

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