8" 200mm x 5 meter - Flexible 25mm Insulated Aluminium Ducting HRU / PIV / MEV Fixed Grille Brown

Fixed Grille Brown

external wall grille

The Firewrap has been designed as an alternative to the Firecuff for wider masonry walls and masonry or concrete floors or even in partition walls

The fan will switch back to the first gear after 15 minutes if the humidity level drops below 70%

with an unobtrusive

8" 200mm x 5 meter - Flexible 25mm Insulated Aluminium Ducting HRU / PIV / MEV Fixed Grille BrownInsulated ducting is very good and reducing noise level and also keeps condensation down Insulated ducting will keep the heat in the duct without it all escaping into the loft etc 1st Layer Alu Ducting 2nd Layer Insulation 3rd Layer Alu Coat Insulated ducting has acoustic properties but if you want silent ducting please see Phonetic duct