Ideal for residential or commercial AC maintenance, these fittings fluid leakage during compressors repairs, refrigerants line upgrades, or unit replacements Crafted from reinforced brass, these AC copper pipe fittings secure outstanding durability, erosion resistance, and high pressure elasticity up to 140 for leak without HVAC connection accuracy engineered inch thread design and double interfaces structure secure seal sealing, ideal for split AC installations or quick replacements in residential systems The erosion resistant brass construction withstands extreme temperatures and deformation, ensuring stable as critical split AC connection fittings Designed for HVAC technicians and homeowners requiring strong , maintenance without brass connectors to optimize copper tubing efficiency, Manufacturer: JTQYFI