Pay in 4 interest-free payments of $44.63 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Divided 2-way multi-louver and combination shut-off
CB20 - two way
14" and 16" * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6-14"
Back blades are parallel to the longest dimension
Holds up to 1" filter (not included)
Pressure Relief Horizontal Air Up 3520-24X14 Specialty Products Divided 2-way multi-louver and combinationh3. Standard Features * 3510 Vertical mount * 3520 Horizontal mount air up * 3530 Horizontal mount air down * Designed to open with negative or positive pressures for intake or exhaust air * Felt edge blades to hold noise to a minimum * Aluminum construction * Blade to blade linkage * 1 4" pivot pins in nylon busings * Maximum size 24 x 24 * Mill finish h3. Options * Sleeve variations * Mounting flange * Adjustable counter balance to adjust various
US$ 24.95
US$ 39.99
US$ 10.95
