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Spin Collar with Damper

  • Spun into to a round hole cut into rectangular trunk duct.
  • Provides a round transition with a means (damper) to adjust air volume.
Spin Collar with Damper


Item No.Description

4" Spin Collar 24ga

GV08525" Spin Collar 24ga
GV08536" Spin Collar 24ga
GV08558" Spin Collar 24ga
GV085710" Spin Collar 24ga
GV085812" Spin Collar 24ga
GV085914" Spin Collar 24ga

45 Years of Quality

We design, manufacturer, assemble, and distribute over 7000 metal and plastic heating, air conditioning, ventilation, and building products for use in homes and commercial buildings. Maintenance, renovation, or construction - we've got what you need.