371 KN95 High-Efficiency Filter Cotton
🔵Product model: 371
🔵Product Description: 371 KN95 High-Efficiency Filter Cotton
🔵Product certification: GB2626-2019 KN95
🔵Product packaging: 10 piece/bag, 500 pieces/box
🔵Product application:It can filter various types of non-oily particulate matter.