Active Ingredient, Benzalkonium chloride. Why invite a stranger to your house when you can perform DIY cleaning! Cheaper& faster and effective! Why effective? Tested with PSB board effective against Salmonella (ATCC 6538)/Pseudomonas Aeruginosa(ATCC 9027)/Legionella pneumophila(ATCC 33152). Test report in Photos An easy to use DIY Product that effectively eliminates mold, pollen, dirt, slime and other built-up in your aircon. These built-up cause 1. cooling efficiency loss and increased electricity usage. 2. buildup of allergens such as dust/mold spores/pollen. Directions for use 1. Disconnect power supply and open air intake panel. 2 Remove and wash/rinse filters. 3. Use vacuum cleaner to remove built-up where necessary. 4. Shake can well and spray foam into aluminium coils and fan blades. 5. Allow 15 mins for cleaning and reaction. Reinstall filters and close air intake panel 6. Switch aircon to air blower mode and allow drying for 10-15mins. ( no rinsing is required, and contents will not corrode or harm plastic or metal parts) Typically 1 Spray can provides up to 2 -3 cleaning instances. FAQ Qn: Are the contents of the spray harmful to my Air-Conditioner? Ans: It is safe to spray on your aircon and will not be harmful to any parts. In fact the spray is a spray on and leave to dry formula requiring no rinsing. It makes cleaning easier. The leftover residue actually helps to get rid of germs and bacteria. As proven by the test report we have shown in the photos Qn: How frequently should i be cleaning my aircon? Ans: It really depends on how heavy is your usage of your aircon. Rule of thumb is once every 2 weeks. Using this cleaner more frequently or less frequently does no harm to your airconditoner. In face it helps your aircon to run more efficiently. Another visual cue is to look at your prefilter to see how much dust has accumulated. It is the accumulation of dust that creates a perfect haven for mold and bacterial organism to proliferate. This is especially important in our hot and humid environment. Qn: How do i know if this aircon cleaner truly works? Ans: You can look at our product test certification as well as our product reviews. Qn: What is the benefit of DIY cleaning? Ans: You can clean in the privacy of your own home at your convenience, no need for appointments and watching over your valuables in the house as well as protecting your personal space/room/privacy. Qns: Where is this made in? Ans: Unlike most sellers who claim to be local companies. We are one of the few that have our goods locally produced in house. In our own manufacturing facility in Singapore. We hire and staff our company with singaporeans who are involved in the various process of getting the goods to your door step. These include Production/Quality Assurance/Marketing/Sales/Delivery