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Concealed mounting holes
945 Series Submittal
Center margins are mounted on the backside of the grille for a streamlined continuous look
Adjustable directional dampers with shut-off
NGD - Narrow ceiling grid dimples for 9/16" T-Rails
Parallel Blade Volume Damper 3000P-54X30 Smoke-Fire Damper Concealed mounting holesh3. 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
