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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
parallel to longest dimension
UL listed and tested in accordance with UL Standard 555
Standard Features * Gang-operated opposed blade radial volume control damper for use with RD Series Round Diffusers * Available in 2" increments from 6"-24"
Options * 304 stainless steel construction h3
Parallel Volume Damper Low Leak 3000PLL-42X28 Accessories parallel to longest dimensionh3. 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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