Parallel Volume Damper Low Leak 3000PLL-46X14 T-Bar Adjustable blades oriented for 3

Adjustable blades oriented for 3 or 4-way air flow pattern

with 75% free area

Face set in an outer T-Bar filter grille frame

built-in vanities

Fan shaped 1/2" spaced louvers

Parallel Volume Damper Low Leak 3000PLL-46X14 T-Bar Adjustable blades oriented for 3h3. 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