Maxboost PM2.5 Filter Pad Activated Carbon Filter, Pack of 30, Mouth Protective Mask Filters Breathing Insert for Men Women Adult Ideal for Outdoor Activities

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non woven fabric,melt-blown fabric,activated carbon fabric
Imported
Filter 2.5 µm In Size – Advanced PM2.5 Filter (Fine Particulate Matter) can filter out particles up to 2.5 µm in size. Help decrease the risk of inhaling: dust, debris, smog, haze, and much more.
Activated Carbon Filter – Powerful Activated Carbon Filter at the core layer keeps you protected and supported from potential outside contaminants. 5 full layers of protection including: non-woven fabric, carbon layer, meltblown layer, and another non-woven fabric layer.
Simple Installation – In just seconds, simply fold the PM 2.5 Filter in half, unfold it, and place into the center of your preferred mask. Works with masks with built-in pockets/slits to easily slide the PM 2.5 Filter inside instantly.
Pure Breathability – Designed with soft and clean fabric materials ensuring simple and effortless breathability and performance. Soft cotton spun layers provide comfort and protection simultaneously every single time it’s worn.
Built For The Outdoors – Built for those on-the-go and with busy active lifestyles. Enjoy using the PM 2.5 Filter effectively during: walking, running, biking, etc. Or wear while at: school, office, subway, airport, shopping, etc.