Parallel Volume Damper Low Leak 3000PLL-20X18 T-Bar Diffuser available in sizes 6×6

Diffuser available in sizes 6×6 through 20×20

Standard Features * Galvaneal steel face designed for high air volume delivery * 360 air diffusion * No Labor Collar * Seismic support hangers * Available sizes: 6"

Square collar designed for 22" x 22" duct

Airfoil blades individually adjustable on 3/4" centers

Parallel Volume Damper Low Leak 3000PLL-20X18 T-Bar Diffuser available in sizes 6×6h3. 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