ISO Standard vacuum fitting in size NW16. Used in systems where positive pressure is employed in a vacuum system while processing. Keeps O'ring from blowing out. 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.