The DIY Line Set Coupler Kit for 24k and 36k line sets is built to extend your system up to 75 ft using DIYPro cable. Crafted from durable copper with a bronze/copper metallic finish, it delivers a reliable and secure connection for HVAC installations. Safe to handle, it contains no batteries, electronics, chemicals, aerosols, or compressed gases. Compact yet sturdy, it measures 22.5” deep, 4.5” high, and 11” wide, with a net weight of 10.8 lbs (12 lbs gross). Proposition 65 warning applies. Not available for shipping to GU, PR, or VI.