REMOVES ACCUMULATIONS OF DIRT AND OXIDATION FILM FROM COILS AND FINS ON AIR CONDITIONING UNITS HUMIDIFIERS AND HEAT EXCHANGE EQUIPMENT. USE WITH BOTH CENTRAL A/C SYSTEMS AND WINDOW UNITS. KEY FEATURES UL STYLE""""MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"""" PLEASANT CHERRY SCENT PH LEVELS 2.5-4.0 IMPROVES EFFICIENCY OF AIR CONDITIONING UNITS COMPLETELY WATER SOLUBILE SAFER THAN TRADITIONAL PRODUCTS