4in. Diameter Reducer Tee with 3" Clean-Out

The Increaser Tee with Clean-Out Cap enables you to use a 4 in. pellet pipe on stoves with 3 in. vent outlets. Its double-wall, air-insulated design offers superior performance and reliability for long-term use. For added durability, PelletVent seams are factory-sealed on all elbows, tees and fittings.