TW Pro Stainless Steel 5″ (125mm) Long 135 Degree Tee
The Long 135° Tee is used when you need a cleaning access at the base of the chimney. It is the first piece installed on the external wall and allows for ease cleaning of the flue. The 135° Tee is shaped in such away that it does not restrict the flue gases, it has a extra-long branch that will reach through most standard UK wall constructions.
TW Pro by MI Flues is a premium twin wall insulated chimney system engineered for high-performance heating appliances. Designed for wood burning stoves, multi-fuel stoves, gas, and commercial applications, TW Pro delivers exceptional draft performance, superior thermal efficiency, and industry-leading safety. Manufactured in the UK from high-grade stainless steel, this twin wall flue system offers quick installation, durable construction, and full compliance with EN1856-1 standards.
For installers and homeowners seeking a reliable, HETAS-approved twin wall chimney solution, TW Pro provides long-lasting performance, sleek aesthetics, and trusted British manufacturing quality.






