4x6 to 7

Model: 457K

4x6 to 7" Round Transition for RM326H Blower

Maximize the air and sound performance of your Broan ventilation fan or range hood using one of our wide variety of ducting accessories.

  • Horizontal ducting kit in 4"x6" to 7" round transition made to fit the RM326H blower outlet only
  • Sold as 1 to a carton