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Circular Vents

Circular Vents for Steel Buildings
Heritage's 20"-diameter circular vents are made from 26 gauge GalvalumeĀ® and available in mill finish or Polar White. Each vent includes a bird screen and features a spring-loaded butterfly damper which locks securely open until released. Our flat-base vents can easily be field modified to fit the appropriate roof slope for a weather tight installation. Comes complete with operator.