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blades prevent metal on metal rattle
Standard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets
Standard Features * 2561 - Square or rectangular fire door for vertical mount only
Installation Instructions * UL approved installation instructions
103 P - three way
Parallel Volume Damper Low Leak 3000PLL-34X18 past 12 months blades prevent metal on metalh3. 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
US$ 214.50
US$ 326.70
US$ 941.60
US$ 599.00
US$ 109.00
