Purchase Qty. Reference FOB Price
2,000-49,999 Pieces US$1.10
50,000-99,999 Pieces US$1.00
100,000+ Pieces US$0.90
Product Description
5-layer filtering multiple protection/prefessional protection The frist layer--Soft non-woven 70g, Absorbs dust, odors and harmful particles. The second layer--PP cotton fillter pm2.5 dust The third layer--ES Hot air filter cotton 50g, pre-filtering the particulate matter and bacteria. The forth ...