Parallel Volume Damper Low Leak 3000PLL-40X10 past 12 months Square or rectangular for vertical

Square or rectangular for vertical mount only

Spring actuated curtain-type fire damper with 2 1/4" round connection for horizontal or vertical mount

Maximum single section size 24"x24"

Holds up to a 2” filter (not included)

w/ Tool Operated Opposed Blade Damper

Parallel Volume Damper Low Leak 3000PLL-40X10 past 12 months Square or rectangular for verticalh3. 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