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Female 1/2 to the 3/8 male brass adapter Garden tap 1/2 Reducing joint 3/8 threaded Connector drip irrigation fittings 15 pcs|irrigation fittings|drip irrigation fittingsgarden tap adapter - AliExpress
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Ideal Vacuum | Adapter 3/8 inch hose barb to 1/2 inch ID Male NPT, Stainless Steel, Vacuum Fittings Adapter, Swagelok, SS-6-HC-1-8
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