915 - FIXED 45° BLADE GRILLE 915-20X20 Step Down Ceiling Diffuser 3 cone steel diffuser with

3 cone steel diffuser with hinged core for easy duct access

055 T6 aluminum surface mount return air grille * 45 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 906 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 * Fractional

Countersunk mounting holes for flush appearance with color matching Phillips posi- drive screws

Filter retention tabs

915 - FIXED 45° BLADE GRILLE 915-20X20 Step Down Ceiling Diffuser 3 cone steel diffuser withStandard Features Extruded aluminum surface mount frame with signature line marks Extruded aluminum fixed bar blades at 45 Blades are parallel to the longest dimension Designed to minimize vision into the air duct Center margins are mounted on the backside of the grille for a streamlined continuous look Countersunk mounting holes with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder finish Soft White Options Recessed