Parallel Volume Damper Low Leak 3000PLL-30X12 Step Down Ceiling Diffuser Available blade centers at 1/2"

Available blade centers at 1/2"

850 Series Submittal

Blades spaced at 2/3"

Standard Features * Use in applications for installing round without damper * Steel galvaneal construction

Parallel Volume Damper Low Leak 3000PLL-30X12 Step Down Ceiling Diffuser Available blade centers at 1/2"h3. 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