4" to 3" Tri Clamp, Tri Clover, Sanitary, Concentric Reducer, 304 Stainless Steel Ingredient Kits 2" x 18" Spool with

2" x 18" Spool with 2" Tri Clamp Connection

or stronger

and is made from Stainless Steel 201

Please see the information below from the manufacturers web site

from top to bottom

4" to 3" Tri Clamp, Tri Clover, Sanitary, Concentric Reducer, 304 Stainless Steel Ingredient Kits 2" x 18" Spool with4" to 3" Tri Clamp Concentric Reducer. Stainless Steel SS304. DETERMINING TRI CLAMP SIZE Tri Clamp sizes are determined by the outer diameter of the pipe or tubing, not the outer diameter of the flange or Tri Clamp itself. The flange of a Tri Clamp fitting typically has about a inch greater diameter than the outside diameter of the pipe. This can become especially confusing when the Tri Clamp fitting has no pipe attached to it, as is the case with