The Dalap PMI-O stainless steel internal coupling with sealing rubber for ducting is designed for connecting ducts in small and medium-sized spaces, such as kitchens, bathrooms, washrooms, fitness centers or offices. This duct system is suitable for outdoor and high-humidity environments due to its durability and long service life (AISI 304). Thanks to the SPIRO COMFORTCLICK system, it is easy to connect and is compatible with Dalap SPIROVENT and Dalap SPIROVENTI.