One Brand New Vacuum 6-Way Cross, NW/KF-16 flange, Vacuum Fitting, 304 Stainless Steel Low price with high quality! Directly from us, the manufactory. We can also build customized KF flange vacuum components/Chamber for you. You just send us your design or diagram and we will send you a quotation. With our competitive pricing and finishing time, we are confident that we can underbid other online/offline scientific vacuum instruments vendors.