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Ships within 48 hours · Estimated delivery Oct 5 - Oct 10
69% free area * 1308: 7/8" lattice opening
1” rim size (2” larger than nominal duct size / order size)
1x2 T-Bar (8" x 20" duct)
TS Series Engineering/Performance Data
Countersunk mounting holes with color matching Phillips Pozidriv screws
Pressure Relief Vertical Mount 3510-14X12 Specialty Products 69% free area * 1308: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
