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1600 Series Submittal
Holds up to 1" filter (not included)
PERFORMANCE DATA 907 Series Engineering/Performance Data
Installation Ring only
Square collar designed for a 20” × 20”
Pressure Relief Vertical Mount 3510-12X10 Accessories 1600 Series Submittalh3. 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
