This is a double-wall pipes in white polypropylene for indoor use compatible with the main boilers on the market. It’s working temperature is up to 120°C. The range includes high-performance cowls made of black polypropylene, designed with anti-UV filter to ensure durability and efficiency, even in adverse weather conditions. The range consists of 48 articles. The diameter ranges from 60/100 to 80/125 mm.