The RectorSeal AC Leak Freeze 45312 is a professional-grade refrigerant leak sealant designed to permanently seal small leaks in air conditioning and refrigeration systems. Its advanced polymer-free formula safely circulates through the system to locate and seal hard-to-find refrigerant leaks without clogging compressors, TXV valves, Schrader valves, capillary tubes, recovery machines, or service equipment.
