The DIY Line Set Coupler Kit is designed for extending 9k, 12k, and 18k line sets up to 75 ft using DIYPro cable. Featuring a durable copper build with a bronze/copper metallic finish, this kit ensures a secure, long-lasting connection for your HVAC installation. Built with no batteries, electronics, chemicals, aerosols, or compressed gases, it’s safe and easy to handle. Compact in design, it measures 22.5” in depth, 4.5” in height, and 11” in width, with a net weight of 10.36 lbs (12 lbs gross). Proposition 65 warning applies. Restricted from shipping to GU, PR, and VI.