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CB20 - two way
Margin edges are 7/8" projection for baseboard installation
Holds up to a 1" filter (not included) with filter retention tabs (FG1)
SD34 Submittal Drawing
Designed for use in walls
Pressure Relief Vertical Mount 3510-16X16 Specialty Products CB20 - two wayh3. 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
