6" x 1.5" x (2) 1/4" FNPT Tri-clamp Tri Clover Endcap BVVâ„¢ This End Cap come with Two 1/4"-18 FNPT Threaded connection and 1.5" Tri-Clamp ferrule welded to the end cap with a sanitary weld with a 0.5" Tube Extension Below the Lid. They allow the user to adapt and connect a threaded connection to the 1/4" port on a Tri-Clamp lid and the 1.5" Tri-Clamp Connection. These 3 connections are welded on a 6" Tri-Clamp End Cap. Specifications: Material: 304 Stainless Steel Connection Types: 1.5" | 6" x 1.5" x (2) 1/4" FNPT Tri-clamp Endcap BVVâ„¢.