Character:antibacterial spray. Eco friendly,high effective. Major components:quarternary ammonium salts. Car aircon anti-bac sprayProduct features ... germs, fungi, bacteria on filtersand coils of car air-con up to 99.99%.2.Purify ... use, no need to disassemble air-con, spray directly into fan blowers, no needto rinse.4 ... air-con, close all windows and doors.2.Spray direct into fan blower, wait for 15mins ...