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850 Series Submittal
One-piece removable slide damper for off-season closure
Use for applications with round ductwork to create a clean and easy to install finish for your round registers or diffusers
Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system
Spiral pipe diameter must be 4” larger than Height of the duct opening
Architectural Lattice Grilles 1301-40x10 Step Down Ceiling Diffuser 850 Series SubmittalStandard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 1 27 32 x 11 32 slots. 5 32 crossbars, with 75% free area Options 14 GA 304 SS Construction Fractional Sizes Tamper proof Screws *Pricing is based on standard 14 GA steel construction. Please contact us for a quote on options. tony@registers direct. com
