H12HEPA Filter Free Sample Specifications: HEPA Filter safely removes 99.97% of airborne particles as small as 0.3 microns, including pollen, ragweed and other allergens, mold spores, dust mites, viruses, germs, pet dander, cigarette smoke and odors. Remark: 1. Design and Material can be selected according to customer's requirement. 2. Pre filter media can be added on the surface of HEPA to prolong its service life. Features: PP Melt Blown + PET material Mini pleated design High efficiency Low Resistance Large dust holding capacity Product show: H12HEPA Filter Free Sample website:http://www.hepafilterpaper.com/air-filter/