Description Econo Triclamp with thumbscrew. 4999-1000-445 CC13F-25 Fits 2.5 Triclamp. Related Items for 2.5 inch stainless Steel tubing; 1000-005 - 2.5 BUNA Rubber Gasket1000-028 - 2.5 inch Silicone Gasket1000-008 - 2.5 Teflon Gasket 17132 - 2.5 H.D. SS Pipeline Clamp 1000-445 Econo 2.5 Triclamp with thumbscrew. 1000-335 - Clamp Short Weld-On Ferrule 2.5 inch1000-325 - Clamp Weld-On Ferrule 2.5 inch 1000-315 - Clamp Roll-On Ferrule 2.5 inch 1000-097 - 2.5 End Cap1000-105 - 2.5 x 2.5 clamp elbow 901000-975z - 2.5 x 2.0 reducing clamp elbow 90 1000-355 - Male Bevel Seat 2.5 Roll On ferrule1000-395 - Hex Nut -SS - for 2.5 inch male bevel seat ACME1000-575 - Dust Cap - SS - for 2.5 inch male bevel seat ACME 10/22