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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser
Half-length screwdriver operated Scoop Extractor
Available 4" thru 28" round
Countersunk mounting holes for flush appearance
Parallel Volume Damper Low Leak 3000PLL-54X44 Accessories Retainer cables are provided onh3. 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
