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Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less
Face set in an outer T-Bar filter grille frame
Countersunk mounting holes with color matching Phillips Pozidriv screws
Performance Data With Multi-Shutter Damper
Aluminum Airfoil Blade Single Deflection Diffuser 901-18X28 Damper:without Damper Designed for protection of ceilingStandard Features * Extruded aluminum (. 055 T6) surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of airfoil blades * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Single deflection diffuser with adjustable airfoil blades * Airfoil blades are parallel to longest dimension * Allows 2 way air deflection on one plane * Soft White Options * 901 O with recessed screwdriver
DIY Tools & Workshop Equipment > Hand Tools > Punches" loading="lazy"/>
