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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Options * Sleeve variations h3
904 Series Performance Data
TS Series Engineering/Performance Data
3/16” holes on 1/4” staggered centers
Pressure Relief HD 3530-17X17 Accessories Options * Sleeve variations h3h3. 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
