150pcs of PM 2.5 Activated Carbon Filters, Replaceable Anti Haze Filters，Meltblown Non-Woven Cloth (5 Layers)

【Reasonable Size】: 12 * 8 cm/4.72 * 3.15 inch
【Filtration technology】: made of activated carbon and non-woven melt-blown filter cloth, five-layer filter system effectively keep away from PM 2.5 and a range of airborne contaminants
【Five-layer Filtration】: Multiple protection to isolate dust, multi-layer folding, good ventilation, double your protection with an additional filter
【Wide applications】: Activated Carbon Filter anti airborne particles dust, smoke, pollution, ash, gardening pollen and so on, suitable for most occasions
【Note】: Filter insert can not be cleaned and should be replaced every 2-3 days. When film or sticky sediment stains emerge, please replace the filter