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Round ceiling radiation butterfly damper
904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)
601TFG Series Engineering/Performance Data
Note: Sizes listed are the duct or opening size the grille will fit into
855 Series Engineering/Performance Data
Architectural Lattice Grilles 1305-20x6 Finish:MBlack Round ceiling radiation butterfly damperStandard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 1 2 Wide x 1 2 High square holes. 3 16 crossbars, with 53% 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
