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linkage and handle enclosed in valve to assure trouble-free operation * Soft White Options * 955 O - steel opposed blade damper * Tamper proof screws * Standard Color or Designer Color Finish available on this product
* 2634 - Square or rectangular Spring actuated (6) out-of-airstream fire damper for horizontal or vertical mount
Standard Features * 2561 - Square or rectangular fire door for vertical mount only
T-Bar Modular Core Diffuser
Adjustable steel curved blades
Parallel Volume Damper Low Leak 3000PLL-40X32 Accessories linkage and handle enclosed inh3. 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
