100pieces filter Replacement for Protect Carbon PM2.5

Feature:Activated carbon High-quality materials: Made of activated carbon and non-woven melt-blown filter cloth 5 layers filter system effectively keep away from PM2.5 and a range of airborne contaminants Size Measurement: Carbon filters size measures approx 4.72 x 3.15 inches compatible with most dust easy to insert or replace the original one Easy to use: just put it in the PM2.5 filter opening. 1. Filter insert can not be cleaned and should be replaced every week. 2. When film or sticky sediment stains emerge please replace the filter Safety protection: Ideal to protect your mouth and face from Dust Haze Allergies Pollution Ash Pollen Gardening Crafts PM2.5 Vehicle Exhaust Woodwork Pollen Allergies and Activated Carbon Filters: 100% brand new and high quality. It s compatible with majority of mouth cover available in the market. Filtration technology: Made of activated carbon and non-woven melt-blown filter cloth this filter system effectively keep away from PM 2.5 and a range of airborne contaminants. Wide applications: Activated Carbon Filter anti airborne particles dust pollution ash gardening pollen and so on suitable for most occasions. Ideal for all outdoor and indoor sports such as running jogging biking cycling motorcycling riding hiking skiing snowboarding paintball lawn mowing on public transport and other activities.