MrCool Universal Cooling System for Air Conditioner

The MRCOOL DIYCOUPLER-3858K75 is a set of two couplers that can be used to extend the length of a line set for a MrCool mini-split system. The couplers are made of copper and have a -foot length of communication wire. The couplers are easy to install and can be used to extend the line set to any desired length.