|Life Cycle||non disposable|
|Quantity||P-4 1 people|
– Face masks are disposable protective masks and cannot be used repeatedly.
– Uses 3M’s proprietary high-efficiency electrostatic filter technology to meet the filter efficiency performance required by the standard.
– Filtering efficiency of non-oily particles is not less than 90%.
– Adjusting the nose clip can help different users to achieve good facial contact.