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Designed to minimize vision into the air duct
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 14" Duct Opening (front blades parallel to shortest dimension)
RD Series Submittal
Standard Features * Lightweight Aluminum vent louver * Able to withstand wet and corrosive environments * Spring clip mounting * 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
Standard Features * Extruded aluminum (
Pressure Relief Vertical Mount 3510-18X18 Commercial Designed to minimize vision intoh3. 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
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