20 PCS Adult PM2.5 Activated Carbon Replace Filter

✅Extra layer of protection: Protects by further isolating airborne contaminants such as dust, smoke, pollution, ash, pollen and others. ✅ Filtration technology: made of activated carbon and non-woven melt-blown five-layer filter system. ✅ Easy breathing: It’s preferable to use it on a few layered mask for effortless ventilation ✅Factory sealed 10 pcs/pack 📮FAST SHIPPING 😷RETURNS NOT ALLOWED FOR HYGIENE PURPOSES