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855 Series Submittal
Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less
Tamper Proof Screws - stainless steel TORX Center Pin
Adjustable directional dampers with shut-off
2" ADC compliant round collar with a bead for ease of installation
Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-4X44 Step Down Ceiling Diffuser 855 Series SubmittalStandard Features * Extruded . 055 T6 aluminum surface mount return air grille * 0 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 907 O recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T T Bar mount * 905 HD reinforced construction * 905 IS insect screen * 1335 1338 Series stainless steel
