PATIKIL 4" to 3" Duct Reducer, 2 Pcs PVC Pipe Increaser Adapter Ducting Airflow Tube Pipe Fitting for DWV (Drain, Waste and Vent) Ventilation Ducting, White

• Height: 111 mm / 4.37 inch; Inner Diameter: 110 x 75 mm / 4.33 x 2.95 inch (Big*Small); Outer Diameter: 121 x 84 mm / 4.76 x 3.31 inch (Big*Small); Packing List: 2 Pcs x Duct Pipe Reducer Connectors
• Reliable Material - The Duct Pipe Reducer Connector is made of durable PVC material. It is lightweight, waterproof, moisture-resistant, wear-resistant, and pressure-resistant, making it not easy to deform and suitable for long-term use.
• Good Sealing - The smooth interior surface design can reduce ventilation resistance. The interface can connect two pipes of different sizes with a good sealing effect, meeting your various DIY pipe decoration needs.
• Application - This duct pipe reducer connector is used to connect two pipes with different diameters, widely used for drain, waste, and vent (DWV) purposes. In addition, it can be used for connecting plastic ventilation ducts, and flexible vent hoses in HVAC systems. It is suitable for use in homes, offices, kitchens, factories, or apartments.
• Instruction: Easy to install, just connect the two ends of the connector with pipes of appropriate size.

This duct pipe reducer connector is used to connect two pipes with different diameters, widely used for drain, waste, and vent (DWV) purposes. In addition, it can be used for connecting plastic ventilation ducts, and flexible vent hoses in HVAC systems. It is suitable for use in homes, offices, kitchens, factories, or apartments. Specification Color: White Material: PVC Height: 111 mm / 4.37 inch Inner Diameter: 110 x 75 mm / 4.33 x 2.95 inch (Big*Small) Outer Diameter: 121 x 84 mm / 4.76 x 3.31 inch (Big*Small) Packing List: 2 Pcs x Duct Pipe Reducer Connectors Advantage Reliable Material - The Duct Pipe Reducer Connector is made of durable PVC material. It is lightweight, waterproof, moisture-resistant, wear-resistant, and pressure-resistant, making it not easy to deform and suitable for long-term use. Good Sealing - The smooth interior surface design can reduce ventilation resistance. The interface can connect two pipes of different sizes with a good sealing effect, meeting your various DIY pipe decoration needs. Instruction Easy to install, just connect the two ends of the connector with pipes of appropriate size. NOTE - Please choose the right size according to your needs.