MRCOOL DIY 3/8 in. x 5/8 in. Brass Couplers with 50 ft. of Communication Wire

When 1-standard size DIY quick connect line set is not long enough, 2-standard quick connect line sets can be combined using our DIY coupler to increase the desired length of the quick connect line sets. This also comes with the communication wire needed to connect your DIY air handler to your DIY condenser. The 3/4 in. grey insulating sleeves ensure the connection is protected and helps prevent condensation.