Imperial 5 In. to 6 In. 24 Gauge Black Increaser is specifically designed for use with solid fuel appliances, such as wood stoves. Crafted from durable 24-gauge black steel, this increaser is compatible with single-wall pipe systems and serves as an effective transition piece from a 5-inch diameter pipe to a larger 6-inch diameter pipe. The large end features a crimped design, ensuring a secure and tight connection when joining pipes. Using this increaser helps increase the pipe diameter to meet the specific requirements of your wood stove installation, promoting improved airflow and efficient venting of exhaust gases. Model Number: BM0059