Architectural Lattice Grilles 1307-14x20 Step Down Ceiling Diffuser Hinged removable face with hinges

Hinged removable face with hinges parallel to longest side

Standard Features * Extruded aluminum construction with steel multi-shutter damper * Margin edges are 7/8" projection for baseboard installation * Nylon bushings for easy adjustment and quiet setting of airfoil blades running parallel to shortest dimension * Countersunk mounting holes for flush appearance

Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system

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

Note: Sizes are Listed Nominal Duct Opening

Architectural Lattice Grilles 1307-14x20 Step Down Ceiling Diffuser Hinged removable face with hingesStandard 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 *