Oven filters are filters that can operate at high temperatures. Leaking is provided by high temperature gaskets to be applied on the desired surface. Due to the minipile technology, the maximum filtration area has been created. There are temperature-resistant protective support plates on both sides of the filters. Due to these plates, damage to the filter during transportation and assembly is prevented. In the production of HT furnace filters, fiberglass paper consisting of very thin fibers is used, and the outer case is made of aluminum.