AIR CONDITIONER COIL CLEANER SPRAY: Elevate the performance of your HVAC system with our heavy-duty AC coil cleaner foam spray; designed to effectively clean coils and extend the lifespan of your unit ODOR-BANISHING POWER: Our HVAC coil cleaner eliminates contaminants from AC coils, creating a fresh-smelling environment and enhancing indoor air quality to deliver a fresh-smelling atmosphere ENHANCED HVAC PERFORMANCE: Crafted with a self-expanding, biodegradable chemical formula, our foaming coil cleaner spray effectively removes dirt and buildup from coils, ensuring optimal functionality ECO-FRIENDLY: Not only meets but surpasses the industry's standard for "green" products, offering an environmentally-friendly option for maintaining your coils SELF-RINSING CONVENIENCE: Enjoy hassle-free cleaning for both indoor evaporator coils in the air handler and outdoor condenser coils, our product eliminates the need for rinsing after application Keep your AC unit in top condition with Arm & Hammer's Biodegradable Aerosol Air Conditioner Coil Cleaner Spray, proudly made in the USA. This powerful coil cleaner effectively eliminates unpleasant odors and grime from window AC units and HVAC systems, ensuring optimal performance. Meeting and surpassing industry standards for eco-friendliness, it's a green solution for coil maintenance. Plus, its non-corrosive formula is self-rinsing on HVAC units, simplifying the cleaning process. To use, just turn off your unit, expose the coils by removing the cover, and apply one can per air conditioner. Each 19 fl. oz. aerosol can provides thorough cleaning for both evaporator and condenser coils, making it suitable for indoor and outdoor use.