Tylan 2900 Series Mass Flow Controller FC-2900V. Includes connector kit, note we opened box to inspect, we noticed the connector kit plastic bag had a tear and spilled out into box, we counted 16 pins, unsure if there were more that fell out, but if your application uses more than 16, you will need to find some. Includes data sheet from 1999 (SEE PICTURES). May need to be calibrated based on note on it is past due. ONLY WHAT IS SHOWN IS INCLUDED. MARKED ON THIS ITEM IS: FC-2900V. Of THIS ITEM (In APPROX INCHES) ARE: 5.5×1.5×5. Long (Deep) x X Wide x Y High. Unpacked net weight: 2.8lbs. ON or WITH THIS SPECIFIC ITEM: NA. WHAT WE FOUND: NA. To assist our buyers, we test most items before listing as noted above. This is only to guide you as to what we experienced and does NOT guarantee the same results when used in your situation or with variables at your end. SEE OUR OTHER LISTINGS AND STORE. THERE MAY BE MORE OR SIMILAR DEALS YOU DID NOT THINK TO LOOK FOR! We are sometimes out of town a few days at a time and many weekends. We usually answer emails within a few days, often the same day, but NOT ALWAYS. We generally do NOT use COD, 3rd party, or bill to account numbers. UPS is insured and trackable along the way. We are located in Owego, NY (Near Binghamton) just off of Rt. 17/I-86 (approximately 3 hours from NYC, Rochester, Albany, Buffalo, Philadelphia; 2 hours from Syracuse; and 4 hours from Lancaster, Pittsburgh, Harrisburg). 9-5 (NO weekends; we do not stay late or come in early). Unless other arrangements are made. However, due to our volume, we often wait a few weeks and do a bulk amount at one time. See our feedback-we are fair sellers, but this is a liquidation site. If you need return privileges and warranties, please support your local stores that may offer such options. Items do NOT include anything other than what is listed or pictured. Do NOT assume you are getting any accessories, manuals, etc. That are NOT listed or pictured. Refundable unless we make an error at our end.