• Address:
    11419 Yellow Pine St. NW, Minneapolis, MN, United States, 55448
  • Phone:
    (763) 755-7677
  • Website:
    https://www.spiralmfg.com/high-pressure-blast-gates
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Description : Our dampers are made of 20 gauge galvanized steel, utilizing heavy gauge plated steel quadrants, designed with excellent handle action as well as quick wing nut adjustment for locking the damper.