All of TWPro components found in the range below have been manufactured with an internal diameter of 150mm (6 inch), a 30mm layer of compressed Rockwool insulation and an outer diameter of 175mm (7 inch). Therefore, brackets, supports, and collars are designed to secure around the greater external diameter. Any item that requires a locking band to create a connection comes with one included.

The 150mm black terminals are manufactured from high-quality stainless steel which is then powder coated to a matte black finish to suit our black finish range. Our range of black terminal includes rain cap, cone top cowl, rotating cowl which boasts excellent insulating properties. It also comes with secure locking bands, fully welded twin walls, and an impressive twelve-year warranty for long-term peace of mind. 

If you’re looking for black terminal 150mm twinwall flue pipes, then take a look at our range of pipes, adaptors, rain caps, and base supports below. IDEAL FOR WOODBURNING AND MULTI FUEL STOVES

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Rain Cap with Mesh dia 150mm - Black

CONSTRUCTIONOuter skin is made from 304 grade stainless steel and is 0.4mm thick. This is then powde..

Our Price (ex VAT): £70.59 Inc VAT: £84.71

Cone Top Cowl dia 150mm - Black

These 150mm black cone top cowls are made from the finest materials and they are manufactured by a r..

Our Price (ex VAT): £61.78 Inc VAT: £74.14

Rotating Cowl dia 150mm - Black

This twin wall product is made of the finest materials and manufactured  by a well known compan..

Our Price (ex VAT): £170.73 Inc VAT: £204.88

Anti-wind Cowl dia 150mm - Black

The 150mm black anti-wind cowls are designed to be used with twin wall flue systems and it also come..

Our Price (ex VAT): £64.07 Inc VAT: £76.89

Rain Cap dia 150mm - Black

Our range of 150mm black rain caps are made with the finest materials and they are manufactured by a..

Our Price (ex VAT): £49.91 Inc VAT: £59.89