6495 BROOKS THERMAL MASS FLOW CONTROLLER GF SERIES, GF120X-921716 GF120XSD. Powered-on photos (if available) are provided as seen on the first image of each listing. All images are taken in-house by J316Gallery. Items for sale are exact to pictures as listed. If there are more than (1) quantity, do feel free to reach out to us for an actual image of each unit. Kindly review images thoroughly before purchasing. Feel free to make a’Best Offer’ for the item. Only pictured items will be included. We will be happy to provide additional information/photos upon request. Please check with your country’s requirements before purchasing. Price match is only applicable to identical conditions of sale i. Price matching excludes item bundles, items that are advertised as limited-quantity and clearance items. We also do not price match against sites with on-going flash sales. We will review and approve your price match request on a case by case basis.