Aluminum Airfoil Blade Double Deflection Diffuser 903-6X6

Aluminum Airfoil Blade Double Deflection Diffuser 903-6X6Standard 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

Galvanized steel

1 1/2 hour fire resistance rating

blades prevent metal on metal rattle

16 gauge phosphate-treated steel frame

Masonry anchors and bolt holes on the frame

with 53% free area

Adjustable aluminum curved blades

Spiral pipe diameter must be 4” larger than Height of the duct opening

contour molded fiberglass back with a foil barrier backing

055 T6 aluminum surface mount return air grille * 0 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 907 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

Zinc plated bolts are clinched and sealed to the inner door

screw holes and color matching panhead screws * Standard Color