... shut down.3: large solar power system and DC12V, AC220V three sets of power supply system conversion.4: activated carbon, anion, photocatalyst ... .98% filtration efficiency.(2) negative oxygen ions of fresh air per pulse release of a large number of negative oxygen ions ... , clean air.5: Super Cycle capacity: 12.8 cubic meters per hour, effective use of an area of 40 square meters, fully ...