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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
Collar sizes available in 6”–10”
3/4” Wide x 3/4” High square holes
14" and 16" * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6-14"
Standard Features * Single plaque ceiling diffuser * 360 air diffusion * Hinged-down core for easy duct access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"
Divided 2-way multi-louver and combination shut-off
Pressure Relief HD 3530-16X18 Accessories Collar sizes available in 6”–10”h3. Standard Features * 3510 Vertical mount * 3520 Horizontal mount air up * 3530 Horizontal mount air down * Designed to open with negative or positive pressures for intake or exhaust air * Felt edge blades to hold noise to a minimum * Aluminum construction * Blade to blade linkage * 1 4" pivot pins in nylon busings * Maximum size 24 x 24 * Mill finish h3. Options * Sleeve variations * Mounting flange * Adjustable counter balance to adjust various
