Parallel Volume Damper Low Leak 3000PLL-44X40 Step Down Ceiling Diffuser For damper free area chart

For damper free area chart A click here * 2563 - Out-of-Airstream fire door

3 or 4 way air patterns from face * One size fits 6" thru 16" (collar by others) * Soft White

Standard Features * 45-degree fixed blades parallel to the longest dimension * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SP9235FG-4 - holds 4" deep air filter * 935 TFG - T-Bar mount * Standard Color or Designer Color Finish available on this product

* 2534 - Square or rectangular spring actuated (6) for horizontal or vertical mount

Parallel Volume Damper Low Leak 3000PLL-44X40 Step Down Ceiling Diffuser For damper free area charth3. 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