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Square collar designed for 20” × 20” duct
1/4" cross bars
Designed for ceiling or sidewall applications
Adjustable directional dampers with shut-off
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar Additional Drawings * 825 MA
Architectural Lattice Grilles 1306-36x16 Step Down Ceiling Diffuser Square collar designed for 20”Standard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 3 4 Wide x 3 4 High square holes. 1 4 crossbars, with 57% 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
