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Adjustable curved blade diffuser
Square to round 2" collar with roll formed retention bead
PERFORMANCE DATA 600TFG Series Engineering/Performance Data
with 75% free area
Parallel Volume Damper Low Leak 3000PLL-36X14 past 12 months Adjustable curved blade diffuserh3. 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
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