Brooks MF Series Mass Flow Controller Model: MF50IA1BM342BEA Unit was pulled from a working system. The unit is used and has some scuffs and scrapes from normal wear. Only what is pictured is included in this listing. At the end of this device’s life please recycle responsibly with R2 Certified Recycler. Please allow extra days to clear if you pay by an eCheck. We guarantee our items for 30 days unless otherwise stated in listing. If manuals, software, packaging etc. Are not mentioned, they are not included. Powered by SixBit’s eCommerce Solution.