53% free area * 1306: 3/4" lattice opening
round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U
4-way reversible door on square sizes
Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws
14" * Soft White Options * Field installable Bowtie Damper (BD) * TVB - Thermal Vapor Blanket * HVD - Hinge Down Face
Architectural Lattice Grilles 1307-42x26 T-Bar 53% free area * 1306:Standard 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 *