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Ships within 48 hours · Estimated delivery Oct 5 - Oct 10
with 60% free area
round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U
One-piece removable slide damper for off-season closure
53% free area * 1306: 3/4" lattice opening
Designer Color or Other Finish available on this product
Parallel Volume Damper Low Leak 3000PLL-60X56 Step Down Ceiling Diffuser with 60% free areah3. 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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