● The inner layer of bacteriostatic fabric is made of bacteriostatic functional viscose fiber which contains the active components of Lianhua Qingwen Prescription, such as water extracts from Forsythiae Fructus, Lonicerae Japonicae Flos, Isatidis Radix, Houttuyniae Herba, Pogostemonis Herba, Glycyrrhizae Radix et Rhizoma and Rhei Radix et Rhizoma.
● The middle layer of melt blown fabric, i.e., the filter layer of KN95-grade replaceable material can reach the filtration efficiency of up to 95%.
● The outer layer of bacteriostatic Apocynum fabric can reach the bacteriostatic grade AAA.
● Continuous bacteriostasis: The bacteriostatic rate reaches grade AAA after 50 times of washing with water, and the inhibition rate of Staphylococcus aureus, Escherichia coli and Candida albicans is up to 99% (≥ 70%), 88% (≥ 70%), and 83% (≥ 60%), respectively.