Pressed Steel Grilles - Silver

Pressed steel ventilation grilles commonly used as part of domestic warm air systems; or, along with intumescent fire dampers, as air transfer grilles in doors and partitions. Constructed from 20 swg mild steel with a white or silver finish. Screws included.

Sizes are duct opening/nominal, not overall - taken as a whole the external dimensions of the cover are 45mm larger than the dimensions listed below. For example, a 300x300 grille has an aperture of approx. 300x300mm and an overall size of 345x345mm.