IMW1041 Features: * Permanently seals leaks in condenser, evaporator, accumulator, compressor, gaskets, o-rings, metal and rubber hoses * For all mobile air conditioning systems R134a and R12/R22 * Easily installed in minutes * Continues to circulate in the A/C system to prevent future leaks * Saves time and money and the environment from harmful refrigerant emissions * Classic Super Seal Premium Leak Sealant Kit Warranty: * 6 mon warranty on material and workmanship