Superior Grade - Cross 4-Ways KF16 Flange Vacuum Adapter, All Ends with KF-16 (NW-16) Flange, Made of Stainless Steel 304, high Vacuum: Amazon.com: Industrial & Scientific
Kurt J. Lesker Company | ConFlat® (CF) UHV 6-Way Cross | Enabling Technology for a Better World
KF-25 4-Way Cross - GOLDLEAF SCIENTIFIC - These KF-25 4-way cross vacuum fittings follow ISO-KF standards and are commonly used to build foreline vacuum plumbing and process systems.
KF-40 Vacuum Cross | LoCo Science
KF25 Cross 4 Way SS304 Vacuum All Ends are KF25 4-Way – Quality Stainless Parts