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Smoke Test and More Information on MA Series Diffusers
Blades run parallel to longest dimension
Countersunk mounting holes for flush appearance
Opposed Blade Damper standard on 4" widths
Front blades are parallel to the shortest dimension
Architectural Lattice Grilles 1307-18x38 Commercial Smoke Test and More InformationStandard 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 *
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