1 Additional Image

427Transition (thin wall), 4-1/2" x 18-1/2" to 10" Round

  • Overview
  • Specifications
  • Where To Buy
  • Reviews
  • Answers
  • Maximize the air and sound performance of your Broan ventilation fan or hood by using one of our wide variety of ducting accessories specifically designed for Broan ventilation products.
    • Thin wall horizontal transition; 4-1/2" x 18-1/2" to 10" round