Natural Ventilation OVEN. * External steel structure varnished with epoxy paint * Internal chamber in stainless steel * Double door block for a better temperature thermal insulation. * 45 mm hole placed on the posterior part for fume discharge, whit regulation device for opening/closing passage * 10 mm hole placed on the upper part for insertion of probe or thermometer * Timer from 0 to 12 hours + infinite * Security class 3.1