The MRCOOL NV35-3834 No-Vac Line Set is a 35-foot, pre-charged refrigerant line set featuring 3/8-inch and 3/4-inch copper tubing. Designed for compatible MRCOOL ductless mini-split and heat pump systems, it connects indoor and outdoor units to support efficient refrigerant circulation. Its factory pre-charged design helps eliminate the need for traditional vacuuming during installati... https://www.partshnc.com/mrcool-35-ft-pre-charged-line-set-nv35-3834