Parallel Volume Damper Low Leak 3000PLL-62X62 Step Down Ceiling Diffuser 1 for each end)

1 for each end)

904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 14" Duct Opening (front blades parallel to shortest dimension)

125") Aluminum Construction 12 GA Steel Construction

Standard Features 1” rim size (2” larger than nominal duct size / order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 1-27/32” Wide x 11/32” High slots on staggered centers

SUBMITTAL 2720 Series Submittal

Parallel Volume Damper Low Leak 3000PLL-62X62 Step Down Ceiling Diffuser 1 for each end)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