50FT Mini Split Line Set, 1/4' & 3/8' O. D Copper Pipes Tubing and Triple-Layer Insulation, for Mini Split Air Conditioning Refrigerant or Heating...

50FT Copper Tube: With a length of up to 50ft, the copper tube can easily connect indoor and outdoor units even over long distances without difficulty. High and Low Pressure Dual Pipes: Includes 1/4 high-pressure tubes and 3/8 low-pressure tubes, compatible with 0-12000 BTU split air conditioners, specifically designed for mini-split air conditioning systems. Thickened Pure Copper Tube: Utilizes high-quality copper tubes compliant with ASTM standards, meticulously controlling the wall thickness of both high-pressure and low-pressure tubes, providing excellent toughness and hardness, eliminating the frustration of thin copper tubes easily flattening with a single fold. Three-layer Insulation Cotton: Wrapped tightly with three layers of insulation cotton, the copper tube sustains effective insulation while being waterproof and pressure-resistant, offering better protection for the internal copper tubes