Parallel Volume Damper Low Leak 3000PLL-34X28 Smoke-Fire Damper Countersunk mounting holes for flush

Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * 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 * SPFG-4 - holds 4" deep air filter * Standard Color

with 75% free area Options 14 GA 304 SS Construction 12 GA (

14" and 16" * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6-14"

Non-standard size collar (available in 6" through 20")

Parallel Volume Damper Low Leak 3000PLL-34X28 Smoke-Fire Damper Countersunk mounting holes for flushh3. 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