Coil Cleaner, Liquid, Size 2.5 gal, Application Biodegradable Cleaner, Cleaning Air Cooled Condensers, Evaporator Coils, Fan Blades, Motors and Other General Cleaning Needs, Permanent Filters, Characteristics Detergent-Degreaser-Deodorizer, Ideal for Microchannel, Rapid Emulsification of Grease and Grim, Non-Toxic Yes, Biodegradable Biodegradable, Acidic/Alkaline Alkaline, Standards NSF Approved