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Disposable non-woven masks are divided into two layers and three layers. The two-layer non-woven masks can effectively block the inhalation of dust and dust; the middle layer of the three-layer non-woven masks uses a higher school filter melt-blown cloth to block the better. Disposable activated carbon masks are divided into three layers and four layers. Three layers can effectively deodorize and filter bacteria, and four layers can effectively filter non-oily particles in the air to filter the harm of PM2.5.