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Radium Engineering one-way check valve fitting converts a female 6AN ORB port to a male 8.5mm hose barb, providing directional flow control for fluid or vacuum lines. This compact adapter screws into a 6AN ORB port and presents an 8.5mm barb connection, making it useful where a reliable one-way interface is needed between AN-style ports and small-diameter hose runs.
Radium Engineering 6AN ORB to 8.5mm Barb Check Valve
