Hydro-kleen coil and condenser cleaner. Are you tired of paying high electric bills and worried about you Air-conditioner not working right. well before you cover your Air-conditioner for the season you need to spray it down with hydro-kleen. Hydro-kleen does all the work for you no scrubbing. Just spray on and let it go to work. This is a product that the hvac guys don't want you to know about. 15.00 dollars a gallon is about half price.