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The Nitrous Express 4AN steel sleeve for 1/4 tubing (qty 1) is a steel support sleeve intended for use with 1/4 tubing and 4AN fittings. It provides the correct internal support for creating a reliable ferrule seal in AN assemblies and is indicated for gas or alcohol use. Install the sleeve as part of standard AN hose assembly practices to ensure consistent connections.
Nitrous Express 4AN Steel Sleeve for 1/4 Tubing (Qty 1)
