Based on this product's specifications, here are some alternatives and similar models
Almeva FLEX Flexible Flue Pipe 15m DN60
Summary description:
The Almeva FLEX flexible flue pipe is a high-quality solution for chimney lining and renovation. With a length of 15 meters and a diameter of 60 mm, this durable pipe is designed for efficient exhaust gas venting in heating systems. Its flexible construction allows for easy installation in complex chimney paths, ensuring reliable performance and safety for residential and commercial heating applications.