Copper refrigeration line 1/4-3/8 3m – Double-layer insulated pipe – Quick, solderless assembly – For efficient air conditioning

Adopting a double layer of thick thermal insulation cotton, which has thermal insulation, shock absorption, and does not age easily Assembling this kit is quick and easy. Connect the low and high pressure tubing together without manual welding. The thick nut has high hardness, does not slip, and is durable. Precise mechanical bore, no burrs, no leaks, safer to use. Made of thick, high-strength copper, strong, leak-proof, and fracture-resistant. Specially designed for small, separate air conditioning systems. Suitable for shopping malls, offices, homes, and restaurants, ensuring efficient refrigeration performance.