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904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 24" Duct Opening (front blades parallel to shortest dimension)
1/2" spacing dual angular louvers
Field installable bowtie damper with round ring
Standard Features *Surface mount return air grille * 0 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 938 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws
Hinged removable extruded aluminum face frame with signature line marks
Adjustable Diffuser 945-20X10 Finish:Designer Color - Cement Gray 904 - Double Deflection AdjustableStandard Features Adjustable blades oriented for 3 or 4 way air flow pattern One piece stamped steel frame on most common sizes, alternate frame is extruded aluminum with signature line marks. Designed for ceiling or sidewall applications Nylon bushings on adj. blades prevent metal on metal rattle Lever operated steel multi shutter damper Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws Rust resistant pre
