Allows for 4 in. diameter round pipe to connect to 6 in. diameter round pipe. Sturdy， 24 gauge construction designed for optimal heat efficiency and long-term use. Crimped on one end to easily fit into pipe or fitting of the same diameter.
- Brand Name: Imperial
- End 1 Diameter: 4 in.
- End 2 Diameter: 6 in.
- Material: Galvanized Steel
- Product Type: Furnance Pipe Increaser
- Vent Type: Type A
- Packaging Type: Boxed
- End Type: Crimp on Large End
- Gauge: 24 Ga.
- Color: Silver
- Height: 6-9/16 in.
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