Product details:
Heavy duty door louvers feature flanged frame with 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 " Phillips head mounting screws and 204-R1 clear anodized finish. MADE IN THE USA