份PDF 2013年10月出
假設佢最後果批1870係同一時間結束生產
3m 一般n95口罩都寫keep 5年
咁即係而家已經過晒期
過期有咩影響我就唔清楚了
自己買果陣問清楚生產日期先
同埋我睇Amazon係賣1870+多 但而家好似缺貨
Shelf life of the unopened product is five (5) years from date of manufacture when stored within temperature range of -20°C to +30°C and at less than 80% relative humidity. End of shelf life date is marked on the product packaging.
Before initial use, always check that the product is within the stated shelf life. When storing or transporting this product use original packaging provided.