TW Pro Stainless Steel 5″ (125mm) Adjustable Wall Sleeve 45 Degree
The Adjustable Wall Sleeve is used to protect the chimney in the wall passage when the flue system passes to the outside wall. The gap bewteen the flue and the Wall Sleeve can be filled with rockwool. This Wall Sleeve is precut at 45º, and is adjustable so it can be manually extended within wall.
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.
