Architectural Lattice Grilles 1307-36x18 Commercial inner dimension and outside dimension

inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color

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

700MA Series Engineering/Performance Data

BD - field installable Bowtie Damper (available on even sizes 6"-14")

Steel multi-shutter damper

Architectural Lattice Grilles 1307-36x18 Commercial inner dimension and outside dimensionStandard 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 *