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Fragola -4AN aluminum flare cap in blue protects unused -4AN female flare fittings with a threaded aluminum cap. The cap seals open hydraulic or fuel line ports to prevent contamination when a -4AN connection is not installed, providing a tidy finished look during fabrication or maintenance. Useful for shops and DIY plumbing work using -4AN fittings.
Fragola -4AN Aluminum Flare Cap - Blue
