Check the listing for details. Tylan General FC-2900MEP Mass Flow Controller MFC 25 SCCM 99%HE/1%PH3 Working. Condition: Used. Listed at 252.20 USD. Tylan General FC-2900MEP Mass Flow Controller MFC 25 SCCM 99%HE/1%PH3 Working Inventory # CONF-1759 Part No: FC-2900MEP Model No: 2900 Series Range/Gas: 25 SCCM, 99%HE/1%PH3 Connector: Cardedge Fitting: 4VCR (1/4") May Require Calibration This Tylan General FC-2900MEP Mass Flow Controller MFC is used working surplus. The physical condition is good, but there are signs of previous use and handling. Sale Details Item Condition: Used Working, 90 Day Warranty Estimated Packed Shipping Dimensions: L x W x H = 10"x10"x10" @ 8 lbs. Only items pictured are included: If a part is not pictured, or mentioned above, then it is not included in the sale. Pictured test equipment is not included or available for sale. For items with multiple quantities: The pictured item is not necessarily the one that will be sent. Serial numbers or country of manufacture may vary. Items are sold with a 90-Day Satisfaction Guarantee Lister 12