The Flat Fan 80 F Line Series is manufactured by Micronel AG. The frame is made of thermoplastic PBT or GF 30% and made of UL94-V0. The impeller is also made of thermoplastic PBT or GF 15% and UL94-V0. It has ball bearing framework or sleeve bearing.It has locked rotor protected for minimum of 72 hours.Lastly, the colors available are red for + and black.