DELLA 50 Ft Mini Split Line Set, 1/4" & 3/8" O.D. Copper Pipes Tubing and 3/8 White Thickened PE Insulated Coil with Flared Nuts for Mini Split Air Conditioner or Heat Pump System(1/4+3/8)

Features Seamless Copper Tubing: Pure copper . excellent quality. Any Freon won't leak out. Anti-cracking Nuts & Flared Ends: Equipped with anti-cracking thickened nuts.Precision flaring ends . without burr. Can reduce installation procedures while ensuring service life. Three-layer Insulated: Structured by embossed polyethyene film and double insulated cotton. Protect against wind . sunlight . fire . and flame retardant. Friendly to environment . recyclable materials without harmful substances. Clearly Information Marked:Size specifications information is marked on the product.