Aluminum Airfoil Blade Double Deflection Diffuser 904-48X20 Finish:Bronze blades prevent metal on metal

blades prevent metal on metal rattle

1050 Series Submittal

Standard Features * Return air T-Bar lay-in filter grille * Removable louvered 20 gauge steel face * 20" x 20"x 1" filter (not included) * 7/8" fiberglass back plenum cut holes 6"-16" (collar by others) * Seismic support holes * Soft White

Fractional

Aluminum Airfoil Blade Double Deflection Diffuser 904-48X20 Finish:Bronze blades prevent metal on metal904 Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension) Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to shortest dimension, back blades parallel to longest 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