Broan 4x6 to 7 Round Transition for RM326H Blower

Item # BRO457K (Part # 457K)
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Item Description:
4x6 to 7 Round Transition for RM326H Blower
Maximize the air and sound performance of your Broan ventilation fan or range hood using our wide 4x6 to 7 Round Transition for RM326H Blower.
This Kit Includes: