Tylan 2900 FM-3901M-J Mass Flow Controller 1/2 VCR Valve (Air/1SLM) 15-Pin MFC. Cosmetic appearance may vary slightly from pictured unit(s). Comes in non-original sealed ESD packaging. This flow controller is in good condition with a few minor scuffs and scratches from normal use, but nothing major or anything that would affect function. The VCR connections look to be quite clean. This mass flow controller was removed from a working setup that was being decommissioned, but was not tested separately after removal. No manuals, cords/cables, or additional items are included if not listed or shown. (1) Tylan FM-3901M-J Mass Flow Controller. Type: Mass Flow Controller. Flow Rate: 1,000 SCCM (1 SLM). Interface: 15-Pin “D-Sub” Connector. Connections: 1/2 Male VCR. Total Weight: 2.65 lbs. For questions regarding this item, please reference the SKU to help us better serve you. DougDeals Terms and Conditions. DougDeals Terms of Use. This item is guaranteed to be as described. See full terms here. DougDeals reserves the right to refuse service to anyone that does not comply with the terms listed and linked here. The sole and exclusive venue for any lawsuit arising out of or relating to this agreement shall be the Travis County Civil Courts of Travis County, Texas.