Parallel Volume Damper Low Leak 3000PLL-34X16 Smoke-Fire Damper Countersunk mounting holes with color

Countersunk mounting holes with color matching Philips Pozidriv screws

3 or 4 way patterns * Spring push release for easy access to adjust pattern controllers * Round No Labor Collar sizes: 6-10"

Standard Features * 2649 - Round damper for vertical mount only

Jamb seals (stainless steel)

Parallel Volume Damper Low Leak 3000PLL-34X16 Smoke-Fire Damper Countersunk mounting holes with colorh3. 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