This 100 ft mini-split line set includes high-purity C12200 copper tubing designed for reliable, leak-resistant HVAC and heat pump installations. It features thick 3/8 in PE+EVA insulation to help reduce energy loss and limit condensation. The standard 1/4 in and 1/2 in OD line configuration supports common 12,000–18,000 BTU mini-split systems. Built for durability in demanding conditions, it’s suited for routing through walls and longer runs. Strapping tapes are included to help secure and protect the line set for a clean, professional install.