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Ships within 48 hours · Estimated delivery Nov 15 - Nov 20
69% free area * 1308: 7/8" lattice opening
1 for each end)
Adjustable baffle controllers to direct airflow horizontally or vertically
see 1560 Series * Tamper proof screws * Standard Color
* 2602 - Square or rectangular spring actuated (6) for horizontal or vertical mount
Pressure Relief HD 3530-19X19 Accessories 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
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