Architectural Lattice Grilles 1307-20x18 past 12 months Curved saddle with gasket provides

Curved saddle with gasket provides airtight fit to spiral pipe

Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension

Adjustable steel roll formed blades oriented for 1 or 2 way airflow pattern

linkage and handle enclosed in valve to assure trouble-free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Steel multi-shutter damper * Soft White Options * 200 O - steel lever operated opposed blade damper * Tamper proof screws * Standard Color

Architectural Lattice Grilles 1307-20x18 past 12 months Curved saddle with gasket providesStandard 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 *