NAVAC F1028 – Rapid Y Connection Fitting (2 x 3/8′ M to 1x 3/8′ FE) by | Jul 4, 2026Fit connection: 2 x 3/8 M to 1x 3/8 FE. One-piece solid brass construction. Vacuum rated to 20 microns. Photos are greatly appreciated! If your item appears defective, a call to the manufacturer may solve your issue.