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The Fragola AN expander (-3AN nut x -4AN male flare) adapts a -3AN nut connection to accept a -4AN male flare fitting. It provides a size transition between adjacent AN/flared components, allowing mismatched fittings to be joined where a stepped adapter is required without altering the connected hose or line ends.
Fragola -3AN Nut x -4AN Male Flare Expander
