The WOSTORE 50ft Mini Split Line Set includes two pipes with 1/4" and 3/8" outer diameters and 3/8" thickness, perfect for HVAC and refrigeration systems. Made in the USA with high-quality materials, this white refrigerant line set is compatible with universal brands and offers a length of 50 feet. Ideal for new installations or repairs, this product ensures a reliable and efficient performance for your mini split system.