Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice face *
Adjustable steel curved blades
Standard Features * 4000 - door core grille with single frame * 4100 - door core grille with additional loose frame *
1/2" spacing dual angular louvers
104 - four way * 2x2 galvaneal steel panel with seismic support holes * Square to round No Labor Collar * Soft White Options * 104 D - steel multi-shutter damper * 104 O - steel opposed blade damper * 104 FR
Architectural Lattice Grilles 1307-24x18 Finish:Tan Standard Features * 1/2" xStandard 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 *