4 Way Aluminium Ceiling Diffuser (Louvre Faced) 4 Way Aluminium Ceiling Diffuser available in various sizes. Louvre faced faced ceiling diffuser Removable core. Painted semi-gloss white. Other sizes and colours available upon request. OBD compatible. The use of a diffuser box ensures consistent air supply and can provided attenuation if the box is insulated Add 145mm to the neck size for overal size. Add 100mm to the neck size for ceiling opening size. [table “3” not found /]
