Galvanised Reducers are available in a range of diameters to suit flue and duct installations. If you require a size that is not listed, please contact us.
Note: When ordering, specify the diameter of the small end and which end requires crimping.
Available Sizes
- GR5: 5″ (127mm) – Nominated Ø
- GR6: 6″ (152mm) – Nominated Ø
- GR7: 7″ (178mm) – Nominated Ø
- GR8: 8″ (203mm) – Nominated Ø
- GR10: 10″ (254mm) – Nominated Ø




