About This Item
- Designed To Transition Between 4″ And 3″ Diameter Ducts
- Simply Slip The Ducts Over The Increaser/Reducer, Tightening In Place With Clamps (Not Included)
- Durable Polypropylene Construction Has A Melting Point Of Approximately 325 Degrees
- Connects A 4 Inch Dryer Exhaust Hood To A 3 Inch Duct
- Ideal For Bathroom Fan Installations
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