labwork 16FT 1/4 Inch & 1/2 Inch Insulated Copper Tubing Extension for Mini Split Air Conditioner

Compact, insulated copper line set engineered for mini split air conditioners. Product data: Length: 16 feet; diameter of copper hose: 1/4 inch and 1/2 inch respectively; material: heat preservation cotton and brass; without other accessories. Construction and durability: The tubing features a copper core that delivers excellent toughness, hardness, ductility and corrosion resistance for a longer service life and reliable performance. The exterior is wrapped in thickened insulating cotton to provide effective heat insulation and frost resistance, protecting the internal copper hose. Fitting and workmanship: Thickened nuts provide high hardness, resist slipping and are built to last. Ends are mechanically precision reamed to ensure connections are free of burr and leakage.