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. 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. Comes standard with color matched Phillips head mounting screws and Gray Primer Finish.
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