Whether you're setting up an air conditioning system or refrigeration unit for your home or business, the Ryno Black Minisplit Lineset 3/8 & 5/8 X 50' are versatile and suitable for various applications. This lineset maximizes efficiency, prevents condensation, and provides users with a leak-free setup with our pre-insulated copper tubing. These linesets are also durable, versatile, and compliant with industry standards.