Aluminum Airfoil Blade Double Deflection Diffuser 903-18X22 Finish:White to 23 29/32"

to 23 29/32"

Square collar designed for a 20” × 20”

Louvers will be Parallel to the First Dimension

Standard Features * Individually adjustable curved blade T-Bar lay in diffuser with concealed hinges * Hinged perforated face * Spring push release for easy access to adjust curved blades * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar sizes: 6-10"

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 4" Duct Opening  (front blades parallel to shortest dimension)

Aluminum Airfoil Blade Double Deflection Diffuser 903-18X22 Finish:White to 23 29/32"Standard 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