Thank you for viewing. I am selling these because I bought a large quantity and have some left over. This product allows you to easily clean your air conditioner. It uses electrolyzed alkaline water and is formulated with persimmon polyphenols for deodorizing effects! 【Contents】 ・Main unit (with tube) x 2 【Product Name】 ・Air Conditioner Internal Fin Cleaner 【Ingredients】 ・Electrolyzed alkaline water, silicate, silver colloid, persimmon polyphenol 【Liquid Properties】 ・Alkaline 【Uses】 ・Cleaning of air conditioner internal fins 【Capacity, Contents】 ・Main unit: 420ml (per bottle) 【Usable Materials/Locations】 ※See instruction manual for details Easy and Economical Cleaning: This is an air conditioner cleaner that you spray onto the heat exchanger. Turn off the power, remove the filter, and protect the electrical components (electrical system parts) with plastic sheeting or similar to prevent the cleaning solution from getting on them. Use one bottle of this product per air conditioner, spraying it evenly. You can easily clean your air conditioner yourself, making it economical. ✳️There is a cleaning video on Shop Channel.