The Flat Pan 92 F Line Series is manufactured by Micronel AG. The frame is made of thermoplastic PBT or GF30% and it is also made of UL94-V0. The impeller is also made of thermoplastic PBT or GF15% and UL94-V0. IT has ball bearing framework and it has locked rotor protected for minimum of 72 hours.Lastly, the colors available are red for + and black.