Tylan MFC Mass Flow Controller 2979 series FC-2979MEP5-L, C4F8, 50 SCCM. Farmon ID: 325084 S/N: ML9608074. Outer packaging opened to verify contents and take pictures. Price is for one unit. , unless it is mentioned in the description and shown in the picture. We do not have the capability to test these equipment, these are un-tested and we sell as is. See pictures for more detail. Don’t have capability to verify this equipment. All Buyers are welcome to come and inspection the equipment before purchasing them. All sales are Final and No return are Accepted. 562 South Milpitas Blvd. Saturday and Sunday by appointment. We can sometimes do in the same day. Brand we can support, please check our inventory. We supply many other semiconductor components, equipment, RF Generator, Chiller, Turbo, Cryo pumps, MFC, Vacuum pumps and controllers, step motors and drivers, etc.