This unit is a 7kw Reverse Cycle Split System with 2 new features for a cleaner and healthier operation. It comes fully charged with environment friendly R410A refrigerant. The first is a Titan gold Fin with patented painting formula on the evaporator and condenser coils that makes the whole unit last longer, cleaner and healthier, with its self cleaning ability. The second is the Cold Plasma Air Purifying System. PROMA Air Conditioners can bring that fresh air in your room with the plasma air purifying system. This system not only removes microscopic contaminants and dust, but also removes house mites, pollen, and pet fur to help prevent allergic diseases like asthma.