Brooks GF125CXXC Mass Flow Controller MFC Ar AMAT Reseller Lot of 9 Working. Model No: GF Series. Reseller Lot of 9. Made in the USA. Rang/Gas: Ar, 1000 SCCM. Rang/Gas: Ar, 1500 SCCM. Rang/Gas: Ar, 6000 SCCM. This Brooks GF125CXXC Mass Flow Controller MFC is used working surplus. 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.