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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Standard Features * Removable core * Available in five air patterns * 22 gauge steel flush core provides uniform air distribution * Square to round No Labor Collar (6" thru 18") * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700DVD D - steel multi-shutter damper * 700DVD O - opposed blade damper * 700DVD FR - U
Allows for 4-way airflow adjustment
850 Series Submittal
Square Collar
Extruded aluminum frame with signature line marks
Pressure Relief Horizontal Air Up 3520-24X20 Smoke-Fire Damper Standard Features * Removable coreh3. 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$ 17.99
US$ 229.03
US$ 10.99
US$ 22.99
