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Fits 1x1 ceiling grids (collar size 6"-10")
RD Series Submittal
850 Series Submittal
Single deflection transition box mount spiral pipe grille
Hinged removable door with hinges parallel to the longest dimension
Parallel Volume Damper Low Leak 3000PLL-44X30 Smoke-Fire Damper Fits 1x1 ceiling grids (collarh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
