Parallel Volume Damper Low Leak 3000PLL-68X62 Step Down Ceiling Diffuser contour molded fiberglass back with

contour molded fiberglass back with a foil barrier backing

For evaporative cooling or high velocity exhaust applications

SD34 Submittal Drawing

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

Parallel Volume Damper Low Leak 3000PLL-68X62 Step Down Ceiling Diffuser contour molded fiberglass back withh3. 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