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Performance Data With Opposed Blade Damper
CSFM California State Fire Marshal listed
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
Please contact us for a quote on optional Stainless Steel Construction or Fractional Sizes
Tool Operated Opposed Blade Damper
Pressure Relief HD 3530-24X24 Commercial Performance Data With Opposed Bladeh3. 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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