Sell PM2.5 filter Anti Haze Replaceable Filters best price

♦️safety Tested♦️ Product TESTED ON <GB 18401-2010 B > GB 18401 for textile products and apparel and the specified product standards. - Ph Value - Qualified - Color Fastness To Water - Qualified - Perspiration (Acid & Alkaline) - Qualified  - Rubbing - Qualified - Color Fastness To Saliva On Baby Products - Qualified - Formaldehyde Content - not detected - Determination Of Odor - odorless - Azo dyes - not detected How can I protect myself from PM2.5? The material and technology used in Cambridge masks make them an effective means of filtering PM2.5. If your environment is a hazard, the best thing you can do to protect your respiratory system from pollutants, viruses, and bacteria is to wear a respirator that provides: Particle Filtration Efficiency >98% Breathing resistance <2 mbar Bacterial Filtration Efficiency >99% Viral Filtration Efficiency >99% Material: Multi layers activated carbon filter, with Non woven activated carbon Size: 13cm x 8 cm Features: 1. Material: Multi layers activated carbon filter, with Non woven activated carbon 2. Use: Masks Replacement Filters, disposable supplies can not be washed. 3. Recommended replacement of 1~2 times a week