Joywayus 1/4" and 3/8" Air Conditioning Copper Pipe Extension Joint Connectors with HVAC Flare Nuts and AC Pipe Connectors Free Welding for Butt Copper Tube Diameter 1/4"(6.35mm) and 3/8"(9.53mm)

["Package includes 2PCS connectors and 4PCS nuts","This copper pipe extension allows for easy connection and modification of air conditioning systems, providing flexibility in installation and maintenance","Made from high-quality copper, ensuring long-lasting performance and resistance to corrosion and wear","The air conditioning copper tube contains double tubes of different sizes. You need to purchase the corresponding 2 pairs of connectors according to the size of the air conditioner","The AC pipe jointers are designed to connect two copper pipes without welding, can be tightened with a wrench"]