BRTL is intended for small circular cowls with socket connection 100-200 mm.
- Sizes from Ø100 mm to Ø200 mm
- 50 mm insulation on the inside as standard, corresponding to fire class EI30 and with cleanable surface coating Protec
- Stands on a flat sheet
- Galvanized sheet steel as standard
- Available in powder coated finish corrosivity class C4