@politicsNdogs @fitterhappierAJ Switch to N95 or an elastomeric if you can. Sturdier and more secure fit than KF94 for something you're wearing all day in a high risk environment.
@politicsNdogs@fitterhappierAJ切换到N95或弹性体（如果可以）。与KF94相比，KF94更坚固、更安全，适合在高风险环境中全天穿着。