1. Seamless Copper Tube : Our copper tube mini split type sleeve adopts a thickened pure copper structure to ensure no fluorine leakage, making it the ideal choice for your heating system pipeline needs.It can be made into elbows and joints, and smooth bending allows copper pipes to be bent at any angle. 2. Durable Design: Equipped with crack-resistant thickened nuts and precision flared ends without burrs, this AC cover guarantees a secure and leak-free connection for your air conditioner hose installation. 3. Insulation: Composed of embossed polyethylene film and insulation cotton, this product offers superior protection, making it perfect for HVAC systems and enhancing the efficiency of your air conditioning setup. 4. Fire and Flame Resistant: With built-in sunscreen and flame-retardant properties, our mini split line set cover ensures safety and durability while tackling the demands of your heating system pipe installations. 5.Widely used: Copper pipes are not only used as refrigeration coils for refrigerators, freezers, and air conditioners, but also as HVAC system pipes or ACR pipes for DIY projects, handicrafts, building models, building decorations, frames, industrial, electrical, and thermal conductivity. Seamless copper tube: pure copper, no fluorine will leak. Crack resistant nuts and flared ends: equipped with crack resistant thickened nuts. Precision flared end without burrs. Composed of embossed polyethylene film and insulation cotton. Sunscreen, fire-resistant, and flame-retardant. Suitable for welding copper fittings and pipes for air conditioning systems, very suitable for HVAC copper wires.