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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
1 for each end)
Stamped steel face with roll formed frame
Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system
Standard Features
Pressure Relief HD 3530-20X14 Commercial 1 for each end)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
US$ 240.00
US$ 390.00
US$ 177.10
US$ 114.00
