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904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 18" Duct Opening (front blades parallel to shortest dimension)
*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches
blades prevent metal on metal rattle
955 Series Submittal
RD Series Submittal
Diffuser 845-20X18 Finish:Driftwood Tan 904 - Double Deflection AdjustableStandard Features * 3 way diffusion for draft free heat or air conditioning * For ceiling or sidewall applications * All component parts, rivets, linkage, and handle, are enclosed in the valve to assure trouble free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Steel multi shutter damper * Soft White Options * 845 O steel lever operated opposed blade damper * Tamper proof screws * Standard
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