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