Architectural Lattice Grilles 1307-4x38 Step Down Ceiling Diffuser Note: Sizes listed are the

Note: Sizes listed are the duct or opening size the grille will fit into

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

1550 Series Engineering/Performance Data

back blades parallel to the shortest dimension Extruded aluminum surface mount frame with signature line marks Provides 4-way air flow on one plane Nylon bushings on adj

Architectural Lattice Grilles 1307-4x38 Step Down Ceiling Diffuser Note: Sizes listed are theStandard 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 *