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Zinc plated steel closure spring
Standard Features * Field installable butterfly damper * Available in sizes 6
2 position adjustment for heating and cooling seasons
Type 316 stainless steel
Adjustable modular cores with fixed curved blades
Gym Grade Register 1560-28X22 Commercial Zinc plated steel closure springStandard Features * Heavy duty honeycomb construction * Blades run parallel to longest dimension given * Gym Grade includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system * Soft White Options * No mounting holes * Tamper Proof Screws * Standard Color, Designer Color or Plated Metal
US$ 14.99
US$ 24.99
US$ 11.99
