Premium 25-Foot Copper Lines: Made with 99.9% Pure C12200 Copper and thick-walls for bend-resistant, leak-free installation even when routing through walls. Ideal for anyone needing a mini split copper line set that delivers strength and reliability 27ft Extra-Long Wiring: 2 feet longer than copper lines, no splicing required, reduces leak points. Great for garage conversions, backyard studios, and multi-story home installations where a mini split line set offers extended reach and secure performance Fit for Multiple Models: Standard 3/8" liquid line + 5/8" suction line configuration matches all 18000-26000 BTU mini-split systems for hassle-free installation. This mini split ac line set is designed for wide compatibility and easy setup. Please Note: Before ordering, please double-check your A/C unit's connection port size to ensure a proper fit Complete Professional Kit: 6.5-foot drain line, wall sleeve, decorative cover, strapping tape, sealant putty. Ready to install out of the box, no additional purchases needed. A true mini split installation kit that simplifies the entire process Energy Saving Insulation: 3/8" thick PE+EVA composite insulation is weather-resistant and built to last, effectively reduces cooling loss and limits condensation. Reliable mini split tubing for long-term energy efficiency