Pressure Relief Horizontal Air Up 3520-8X12

Pressure Relief Horizontal Air Up 3520-8X12

  • $184.48


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 opening pressures