Architectural Lattice Grilles 1307-18x12 T-Bar Spiral Diffuser Radius Flush Mount

Spiral Diffuser Radius Flush Mount Diffuser Single Deflection with Damper

Ceiling opening must be 4” larger in length and width than the nominal duct size

Lever operated Multi-Shutter Damper

Lever operated multi-shutter damper

055 T6 extruded aluminum * Square collar * For 22"x22" square duct * Soft White Options * 915 T O - opposed blade damper * No Labor Collar - square to round (2x2 only) * 1x2 panel (10"x22" duct) or 2x4 panel (22"x46" duct) * Satin Anodized Finish available on this product

Architectural Lattice Grilles 1307-18x12 T-Bar Spiral Diffuser Radius Flush MountStandard 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 *