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Fan shaped 1/2" spaced louvers
Standard Features * Fixed airfoil blades parallel to 1st dimension given *
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 14" Duct Opening (front blades parallel to shortest dimension)
Designed for use in walls
Standard Features * Airflow can be adjusted to 1
Pressure Relief Vertical Mount 3510-24X12 Step Down Ceiling Diffuser Fan shaped 1/2" spaced louversh3. 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$ 11.99
US$ 14.99
US$ 749.50
