Aluminum Airfoil Blade Double Deflection Diffuser 904-24X4 Damper:Opposed Damper Standard Features * Steel honeycomb

Standard Features * Steel honeycomb construction * Flush core and frame provides smooth surface * Free area equals more than 75% of nominal size * Driftwood Tan Options * Mounting holes for sidewall and ceiling application * 1600R - reinforced welded core and extra supports for heavy duty application * Standard Color

Standard Features * Solid aluminum rotatable body * Excellent for spot heating and cooling difficult areas * Can move conditioned air from an inaccessible place to the work environment * Precision adjustable aluminum air flow exit plate * Double felt flange body seal to prevent air leakage * Closed cell neoprene felt mounting gasket * Easy adjustment of air flow by turn of a knob * Maximum rotation angle 33 to 42 in all directions * Corrosion resistant anodized finish Options: * 1205 - spot diffuser in panel mount

904 Series Performance Data

904 - Double Deflection Adjustable Aluminum Blade Grille For a 38" x 18" Duct Opening (front blades parallel to shortest dimension)

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 30" Duct Opening (front blades parallel to shortest dimension)

Aluminum Airfoil Blade Double Deflection Diffuser 904-24X4 Damper:Opposed Damper Standard Features * Steel honeycomb904 Double Deflection Adjustable Aluminum Blade Grille For a 24" x 4" 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