10Pack PM 2-5 Activated Carbon Filter Insert 5 Layers Replaceable Anti Haze Filter Paper for Adults Outdoor Activities

Ship from USA- Package: 10pcs/bag. 10 Pcs PM2.5 Activated Carbon Replaceable Anti Haze Filter. Filters size: 12 x 8 cm/ 4.7 x 3.1 inches. Five layers Filter Material: 2*Anti-sticking cloth, 1 *Filter cloth, 1 * Activated Carbon, and 1 * Efficient filter cloth as in the picture. Note: 1. Filter inserts cannot be cleaned and should be replaced every 1-2 days. 2. When a film or sticky sediment stains emerge, please replace the filter. If you have more questions, you can contact us by email and reply to you within 24 hours