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The Fragola Flare Expander adapts a -4AN nut to a -6AN male flare, providing a compact stepped fitting for AN fluid assemblies. Finished in black, it lets builders join different-size AN components without replacing existing lines. Use it when stepping hose or hard-line sizes during custom plumbing, repairs, or one-off hose assemblies.
Fragola -4AN Nut x -6AN Male Flare Expander - Black
