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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Center margins are mounted on the backside of the grille for a streamlined continuous look
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension)
Spiral pipe diameter must be 4” larger than Height of the duct opening
Margin edges are 7/8" projection for baseboard installation
Installation Ring only
Architectural Lattice Grilles 1302-36x32 Step Down Ceiling Diffuser Center margins are mounted onStandard 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 Wide x 11 32 High slots on staggered centers. 5 32 crossbars, with 75% free area Options 14 GA 304 SS Construction 12 GA (. 080") Aluminum Construction 1 8" GA (. 125") Aluminum Construction 12 GA Steel Construction
