Architectural Lattice Grilles 1307-28x10

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 * Tamper proof screws