Please note we are currently unable to dispatch to Northern Ireland.Please note that grilles and louvres made to order have a current lead time of 10-12 working days. We have been informed by the manufacturer that this is due to a material shortage. We apologise for the inconvenience this may cause.
Sizes listed in drop down menu are the duct size/neck size. Add 145mm for overall size and 100mm for ceiling opening size. For example a 300x300 diffuser will require a 300x300 grille box, a 400x400 hole in ceiling and will cover 445x445 overall. For a standard suspended ceiling tile replacement you will require a 450x450 diffuser (595x595 overall).