Description

KN95 Face Mask Protective Cover,Disposable Masks SUPPORT USA SMALL BUSINESS Features: 100% Brand New and High Quality White KN95 Face Mask With Breathing Valve Product size:15.5x10.5 cm / 6.1x4.1 in. Elastic straps and adjustable nose clip for different face shapes and sizes. Made of high quality material, safe, soft and comfortable. Protect you from airborne particulates and pollution. Suitable for: home use, industrial use, and outdoor activities, and other daily use This Standard specifies the production and technical specifications of non-powered air-purifying particle respirator, and the dust mask has strict requirements for testing on material, structure, appearance, performance, filtering efficiency (dust-proof rate), respiratory resistance, testing methods, product identification, packaging, etc. The material of the dust mask must be non-irritating and non-allergenic to the skin,and the filter material is harmless to the human body.The dustproof mask is simple in structure and convenient to use.Its filtration efficiency (dust removal rate) is more than 95% for non-oily particulate matter with a diameter of 5 μm,and its filtration efficiency (dust removal rate) is more than 70% for non-oily particulate matter with a diameter of 2 μm. This Standard applies to non-powered air-purifying respiratory protective equipment against all kinds of particles. This Standard does not apply to respiratory protective equipment against harmful gases and vapors. It does not apply to the respiratory protective equipment for hypoxic environments, underwater operations, escape, fire- fighting. Return Policy: We only accept return for unopened item. Up to 50% restocking fee for returned PPE such as disposable gloves, face masks, face shield, mask filters,etc.