Broan 10" Round Horizontal Transition, 4.5"x18.5" to 10" Round 427DescriptionThe Broan 427 10 in. Round Horizontal Transition converts 4.5 in. by 18.5 in. to 10 in. round ducting. This product is perfect for maximizing the air and sound performance of Broan bath ventilation fans or range hoods. Constructed from galvanized steel, this transition ensures durability and long life.PRODUCT HIGHLIGHTSTransition made to fit 10 in. round ducting for range hoods and ventilation fans4.5 in. by 18.5 in. to 10 in. round horizontal ducting26 GA galvanized steel construction SPECIFICATIONSGENERAL INFORMATIONManufacturer Broan-NuTone, LLCManufacturer Part Number 427Brand Name BroanProduct Model 427Product Name 427 Vent Hood TransitionProduct Type Vent Hood TransitionPHYSICAL CHARACTERISTICSMaterial Galvanized SteelMISCELLANEOUSApplication/Usage Vent HoodWARRANTYStandard Warranty 1 Year LimitedITEM DETAILSPart Number 427Manufacturer BroanCategory Hoods/VentilationMfr ID BROANUPS Shippable YShipping Weight 4UPC Code 026715126071DOWNLOADSSpecification SheetCustom Spec Sheet