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Extruded aluminum fixed bar blades at 45°
RD Series Submittal
Steel riveted and metal formed assembly
Holds up to a 2" filter (not included) with filter retention tabs (FG2)
Pressure Relief HD 3530-12X20 Specialty Products Extruded aluminum fixed bar bladesh3. 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$ 500.00
US$ 500.00
US$ 500.00
US$ 31.99
US$ 49.99
