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450 Series Engineering/Performance Data
smooth style * 360 air diffusion * Excellent for variable air volume applications * Hinged-down core for easy access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"
Steel multi-shutter damper
Non-standard size collar (available in 6" through 20")
w/ Lever Operated Opposed Blade Damper
Aluminum Airfoil Blade Double Deflection Diffuser 904-48X24 Finish:Soft White 450 Series Engineering/Performance Data904 Double Deflection Adjustable Aluminum Blade Grille For a 48" x 24" 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
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