Parallel Volume Damper Low Leak 3000PLL-34X18 past 12 months Standard Features * 1/2" x

Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice face *

Standard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets

Installation Instructions * UL approved installation instructions

1x1 T-Bar (10" x 10" duct)

Standard Features * 2561 - Square or rectangular fire door for vertical mount only

Parallel Volume Damper Low Leak 3000PLL-34X18 past 12 months Standard Features * 1/2" xh3. 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