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Opposed Blade Damper
Standard Features * Designed for return or exhaust applications * 3/16" holes on 1/4" staggered centers * Heavy gauge steel * Seismic support holes * 1x2
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 24" Duct Opening (front blades parallel to shortest dimension)
Ceiling opening must be 4” larger in length and width than the nominal duct size
Heavy gauge cold roll steel
Architectural Lattice Grilles 1308-34x36 Finish:Tan Opposed Blade DamperStandard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 7 8 Wide x 7 8 High square holes. 1 4 crossbars, with 60% 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
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