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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Designer Color or Plated Metal Finish available on this product
Plated Metal or Wood Finish available on this product
Double deflection radius mount spiral pipe grille with adjustable blades
For evaporative cooling or high-velocity exhaust applications
Pressure Relief HD 3530-20X16 Accessories Designer Color or Plated Metalh3. 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
