Adjustable Curved Blade Diffuser SCB-12X12 Air Pattern:oneway Building materials rated 3 hours

Building materials rated 3 hours or less

Fractional

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 14" Duct Opening(front blades parallel to shortest dimension)

UL listed and tested in accordance with UL Standard 555C

Standard Features * 1" rim size (2" larger than nominal duct size) * 14 gauge steel * 1305: 1/2" lattice opening

Adjustable Curved Blade Diffuser SCB-12X12 Air Pattern:oneway Building materials rated 3 hoursStandard Features * Individually adjustable steel curved blades * Lever operated steel multi shutter damper * Pivoted steel blades for easy firm positioning * All component parts, rivets, linkage and handle enclosed in valve to assure trouble free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * SCB41 4 way air pattern * SCB31 3 way air pattern * SCB41 O or SCB31 O steel