Aluminum Airfoil Blade Single Deflection Diffuser 901-18X38 Residential Registers & Grilles Note: Sizes are Listed Nominal

Note: Sizes are Listed Nominal Duct Opening

Holds up to 1" filter (not included)

Zinc plated steel closure spring

back blades parallel to the shortest dimension Extruded aluminum surface mount frame with signature line marks Provides 4-way air flow on one plane Nylon bushings on adj

Building materials rated 3 hours or less

Aluminum Airfoil Blade Single Deflection Diffuser 901-18X38 Residential Registers & Grilles Note: Sizes are Listed NominalStandard Features * Extruded aluminum (. 055 T6) surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of airfoil blades * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Single deflection diffuser with adjustable airfoil blades * Airfoil blades are parallel to longest dimension * Allows 2 way air deflection on one plane * Soft White Options * 901 O with recessed screwdriver