labwork 50FT Copper AC Hose Extension - Twin 3/8" & 5/8" Insulated Tubes for Mini Split Air Conditioner

Materials: heat preservation cotton and brass. Product data: Length: 50 ft, diameter of brass hose: 3/8 inch and 5/8 inch, as shown in the figure, without other accessories. Durable copper construction: The tubing itself is made of copper, delivering good toughness, hardness, ductility and corrosion resistance for a longer service life. Enhanced insulation: This hose extension is wrapped in thickened insulation cotton to better shield the internal copper line. Note: the temperature resistance of this insulation layer shall not exceed 80 degrees. Robust fittings and finish: Thickened nuts provide high hardness, resist slipping and are built to be sturdy and durable. Components are mechanically reamed to precise dimensions—no burrs, no leakage—making the connection more secure to use.