**Shown as brass (ugly images) 3/4". We will fix need some time. ISO Standard vacuum fitting in size NW16. For welding and adapting tubing to ISO flange standard. Often employed for long run hard piping solutions. Fittings are welded on both ends of appropriate stainless steel pipe. Compatible with NW, KF, QF and ISO standards. Manufactured generally in the USA. Some exceptions apply. This is a building block approach for creating and supporting vacuum systems to 10-6 Torr.
Warranteed 100% from defects in materials and workmanship.
