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904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 20" Duct Opening (front blades parallel to shortest dimension)
450 Series Submittal
stair risers
Designed for ceiling or sidewall applications
Stamped Curved Blade T-Bar 104-9 Air Pattern:oneway 904 - Double Deflection AdjustableStandard Features * Stamped 22 gauge steel curved blade T Bar lay in supply diffuser * Field adjustable * Five air patterns: 101 one way, 102 two way, 102C corner, 103 three way, 104 four way * 2x2 galvaneal steel panel with seismic support holes * Square to round No Labor Collar * Soft White Options * 104 D steel multi shutter damper * 104 O steel opposed blade damper * 104 FR, 104 O FR, 104 D FR U. L. listed Fire Resistance Diffusers * TVB Thermal
