The Nitrous Express 3AN steel sleeve for 3/16 tubing (qty 1) is a steel sleeve sized to support 3/16 tubing when used with 3AN fittings. It helps create a proper ferrule interface in AN-style assemblies and is suitable for use with gas or alcohol applications as noted. Use the sleeve during assembly to ensure secure, repeatable tubing connections.
Nitrous Express 3AN Steel Sleeve for 3/16 Tubing (Qty 1)