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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
Access door with 1-3/8" deep steel roll formed frame
T-Bar Modular Core Diffuser with Round Collar 18-20
Standard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
Countersunk mounting holes with color matching Philips posi-drive screws
Pressure Relief HD 3530-14X18 Smoke-Fire Damper Access door with 1-3/8" deeph3. 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$ 62.00
US$ 62.00
US$ 34.99
