Architectural Lattice Grilles 1307-34x18 T-Bar 2x4 T-Bar (22" x 46"

2x4 T-Bar (22" x 46" duct)

Double deflection transition box mount spiral pipe grille

RD Series Engineering/Performance Data

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 16" duct Opening  (front blades parallel to shortest dimension)

Access door with 1-3/8" deep steel roll formed frame

Architectural Lattice Grilles 1307-34x18 T-Bar 2x4 T-Bar (22" x 46"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 *