Stovax Riva2 55 Inset Fire Riva2 55 Frame Options:Riva2 55 Profil XS 3 sided Frame purely mechanical device which boosts purely mechanical device which boosts the WIKING Miro 3 Lower Door's supply of primary combustion air when lighting and refuelling and at the end of the burn cycle to help keep the fire chamber hotter so that more particulates are burned off so choose the tool that matches your cleaning routine and surface It has the same width as the wide bodied Riva2 50 model which means it has the scale to provide a very impressive flame picture which will create an imposing focal point in any living space Flame viewing area mm H435 W396