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Infinitech 3/8 & 3/4 Hvac - R Copper Line Set Fittings Kit Includes long sweep elbow coupling street elbows Perfect for air conditioning lineset refrigeration liquid suction lines tubing pipes 3438
PRO-Fit 3/8" Quick Connect Union (Connect Fittings for Refrigerant Line) | eBay
Auto A/C Fittings Coupler with Deep Knurling for Easy Handling