Refrigerator Deodorizer Deodorization Sterilization Charging Portable Household product description Efficiency Filtration System: Our HEPA Air Purifier features an efficient filtration system, powerful enough to captures up dust, pollen, smoke, odor, refrigerator deodorization, purification and sterilization, food preservation. Make Life Healthier: We clearly understand your concerns and we have conducted countless experiments on our air pretreatment system. After experiments, we found that as long as the ultraviolet wavelength is greater than 200nm does not produce and other harmful substances. Multiple Filter Choices: Choose from a variety of replacement filters to best meet your needs can be rotated at will, all-round sterilization. Undisturbed Operation: Display light can be turned off to enjoy a perfect night of sleep without the effect of light. Convenient installation: magnetic design, simple assembly, can be easily fixed in any positions mall size, convenient and portable Product contains 1*air purifier