Heater Pipe Duct Kit: Suitable for 2KW/5KW/8KW heaters, including split type and type. The heater hose duct kit includes 1 exhaust pipe, 2 outlet ducts, 4 outlet duct clamps, 2 exhaust pipe clamps, 2 air vent connectors, and 1 tee connector for comprehensive installation needs. Extendable Air Outlet Ducts: Features an adjustable length from 23.6 to 27.6 inch (600-700mm), designed to fit various models. Rust-Proof Exhaust Pipe: Measuring between 23.4 to 23.6 inch (595-600mm) and made from stainless steel for rust resistance and durability. Our heater exhaust pipe ensures a reliable and high-quality user experience. Efficient Air Flow Design: The outlet hose duct boasts a large 3-inch (76mm) diameter for rapid warm air delivery, while the exhaust pipe has a 1-inch (25mm) diameter for safe exhaust air discharge, enhancing interior heating safety. User-Friendly Installation: This heater air duct hose kit comes and stainless steel clamps for quick and secure assembly. The clamps are easy to use, reducing the risk of injury during installation. Color:Black Material:Metal Package Contents: 1 * Heater Pipe Ducting Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.