Broan 10 Vertical Round Transition Piece 4-1/2 x 18-1/2 to 10 Round

Item # BRO423 (Part # 423)
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Item Description:
10 In. Round Transition for Range Hoods and Bath Ventilation Fans
Broan's 423 round transition can maximize the air and sound performance of your ventilation fan or range hood. Provides a bridge between a 4-1/2 in. x 18-1/2 in. duct and 10 in. round duct and is compatible with most 4-1/2 in. x 18-1/2 in. ducts and 10 in. round ducts.
This Kit Includes: