Parallel Volume Damper Low Leak 3000PLL-72X30 Commercial Standard Features * Fixed bar

Standard Features * Fixed bar blades parallel to 1st dimension given *

Narrow ceiling grid dimples for 9/16" T-Rails

Step down core designed for 4-way uniform air distribution

Hand operated level for easy filter access and cleaning

cross bars

Parallel Volume Damper Low Leak 3000PLL-72X30 Commercial Standard Features * Fixed barh3. 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