PYTHON is a non-abrasive, one-step disinfectant cleaner for evaporator coils in small air conditioners, commercial air handling equipment, HVAC cooling coils and refrigeration equipment. It is a virucide, a mildewstat (on hard inanimate surfaces), and a fungicide (against pathogenic fungi). Kills Legionella Pneumophila. Effective via AOAC methodology against a wide variety of organisms. EPA-registered for HVAC applications. Controls mold and mildew. Cleans and deodorizes. Cuts grease and grime without scrubbing. No rinsing required .