Parallel Volume Damper Low Leak 3000PLL-52X52 past 12 months Standard Features * 2501 -Square

Standard Features * 2501 -Square or rectangular for vertical mount only

Designed for use in walls

Heavy Duty Construction

blade to blade neoprene seals

Maximum dimension 60x60 single

Parallel Volume Damper Low Leak 3000PLL-52X52 past 12 months Standard Features * 2501 -Squareh3. 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