... Materials Silent, no fan or motor Low power consumption One year warranty home air purifiersAll the goods make in our factory ... by laser treatment ,burn,surgical etc.3.Wirnkle removal: remove fine lines,wrinkles and spider veins.4.Acne removal:remove acne ... make indoor air unhealthy to breathe, especially for babies, children, and the elderly is long and growing. The reasons are yet to be determined ...