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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
7/8” Wide x 7/8” High square holes
904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 4" Duct Opening (front blades parallel to shortest dimension)
Blades parallel to shortest dimension
*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches
Architectural Lattice Grilles 1303-12x42 Finish:MBlack 7/8” Wide x 7/8” HighStandard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 11 32 Wide x 1 27 32 High 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
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