Check the listing for details. MKS Mass-Flo Controller, Model 1479A13CS1AM, 1000 SCCM, Gas: N2. Condition: Used. Listed at 900.00 USD. This MKS Mass Air Flo controller is a top-quality product manufactured in the United States. It can handle a maximum flow rate of 1000 SCCM (1 SLM) and is suitable for both N2 (Nitrogen) and Air gases. The unit quantity for this product is 1 and it belongs to the categories of Mass Flow Controllers, Flow Controllers & Meters, Pump & Flow Controllers, Hydraulics, Pneumatics, Pumps & Plumbing and Business & Industrial. CHP Consultants dba CHP Surplus est. 2002 chpconsultants.com We offer 30-day return policy on our inventory. If you are not satisfied with an item, please contact us so we can work out a solution to your satisfaction. Due to the variety of the items, we sell through our store, we are only able to thoroughly test our items labeled as “Radiation Detectors”. We are happy to answer further questions on any item if we can. Please do not hesitate to message us if more information is needed. We are easy to reach during regular business hours. Monday through Friday 9-3.We take pain staking efforts to pack all items quickly and properly for safe shipping.We can consolidate shipping. If you place more than one order and wish to consolidate, simply message us prior to shipping and we can reduce shipping costs. Local pick up is available Oak Ridge, TN. Internal Use Barcode: 17256193Location: 3C We stand behind our eBay store. Check out CHPSurplus here for various miscellaneous equipment at a low price.