904 - Double Deflection Adjustable Aluminum Blade Grille For a 32" x 18" Duct Opening (front blades parallel to shortest dimension)
Standard Features * Return air T-Bar lay-in filter grille for 20" x 20" duct * Removable louvered 20 gauge steel face * 20" x 20" x 1" filter (not included) * Square collar (20x20) * 2x2 panel * Seismic support holes * Soft White Options * Square to round No Labor Collar
CB40 - four way * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * CB40 O - recessed screwdriver operated opposed blade damper * Square to round No Labor Collar (square sizes only) * 700 CB and CB T - T-Bar mount * SCB - steel version * Tamper proof screws * Standard Color
Nylon bushings on adjustable blades prevent metal on metal rattle
Holds up to 1" filter (not included)
Architectural Lattice Grilles 1307-10x46 past 12 months 904 - Double Deflection AdjustableStandard Features * 1" rim size (2" larger than nominal duct size) * 14 gauge steel * 1305: 1 2" lattice opening, 3 16" cross bars, 53% free area * 1306: 3 4" lattice opening, 1 4" cross bars, 57% free area * 1307: 13 16" lattice opening, 3 16? cross bars, 69% free area * 1308: 7 8" lattice opening, 1 4" cross bars, 60% free area * Soft White Options * Countersunk screwholes with matching Phillips #8 x 1 1 2" oval Screws * 10 or 12 gauge steel *