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Unique fan-shapped pattern lends to both heating and air conditioning applications
Spiral Diffuser Radius Flush Mount Diffuser Single Deflec
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 4" Duct Opening (front blades parallel to shortest dimension)
Standard Features * Field installable butterfly damper * Available in sizes 6
AA-HVL Series Engineering/Performance Data
Pressure Relief Horizontal Air Up 3520-10X10 Residential Registers & Grilles Unique fan-shapped pattern lends toh3. 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
