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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Spiral pipe diameter must be 4” larger than Height of the duct opening
For ceiling or sidewall applications
Low profile design for tight mechanical areas
904 Series Performance Data
Fits 1x1 ceiling grids (collar size 6"-10")
Architectural Lattice Grilles 1302-12x38 Step Down Ceiling Diffuser Spiral pipe diameter must beStandard 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
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