Upgrade your venting system with the Imperial Manufacturing Pipe Increaser, designed to connect a 6 in. diameter stove pipe to a 4 in. diameter pipe for efficient airflow in wood stove installations. Crafted from durable 24 gauge galvanized steel, this increaser ensures long-lasting performance and corrosion resistance, making it ideal for residential or commercial ducting applications. Its robust construction supports safe and reliable transitions between different pipe sizes, helping to maintain optimal draft and reduce backflow. The compact design, measuring 12.2 in. long, 6.1 in. wide, and 8 in. high, fits easily into tight spaces while supporting a secure connection. Compatible with a variety of stove pipe setups, including 6 in. wood stove pipe systems, this increaser is a versatile solution for new installations or upgrades. No batteries are required, and each package includes two increasers, providing added value for your project. Trust Imperial for quality ducting components that deliver dependable results for your heating and ventilation needs.