Parallel Volume Damper Low Leak 3000PLL-36X12 Smoke-Fire Damper Mounting holes with color matching

Mounting holes with color matching 2" baseboard Phillips screws

with color matching Phillips posi-drive screws * All component parts

For damper free area chart B click here * 2565 - Round fire door for vertical mount only

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 8" Duct Opening   (front blades parallel to shortest dimension)

Parallel Volume Damper Low Leak 3000PLL-36X12 Smoke-Fire Damper Mounting holes with color matchingh3. 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