Item # 12446946028, Male Elbow Hose Connector 6 mm x 1/8" On Seelye Acquisitions, Inc.
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Beduan Push to Connect Fitting Elbow, 1/2" Tube OD x 1/2" NPT Male 90 Degree Elbow Adapter 304 Stainless Steel Air Union Fitting: Amazon.com: Industrial & Scientific
TEFEN Plastic Male hose connector Elbow with external BSPT thread | IQ-Parts-Shop