915 - FIXED 45° BLADE GRILLE 915-48X14 Step Down Ceiling Diffuser 904 - Double Deflection Adjustable

904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 24" Duct Opening (front blades parallel to shortest dimension)

4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation

Installation Ring only

Standard Features *

2" ADC compliant round collar with a bead for ease of installation

915 - FIXED 45° BLADE GRILLE 915-48X14 Step Down Ceiling Diffuser 904 - Double Deflection AdjustableStandard 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