Aluminum Airfoil Blade Double Deflection Diffuser 903-30X4 Residential Registers & Grilles Standard Features * T-Bar lay-in

Standard Features * T-Bar lay-in panel with perforated face * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar attached to panel * Soft White Options * 105 P D - multi-shutter damper with hinged perforated face * 105 P O - opposed blade damper with hinged perforated face * TVB - Thermal Vapor Blanket * Square collar

904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)

All Aluminum Construction

Rust-resistant pre-coat with durable powder finish

Blades run parallel to longest dimension

Aluminum Airfoil Blade Double Deflection Diffuser 903-30X4 Residential Registers & Grilles Standard Features * T-Bar lay-inStandard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension, 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. blades prevent metal on metal rattle Countersunk mounting holes with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder