Cleanroom nonwoven facemask 1.Disposable, light weight, comfortable 2.Odorless, fiberglass free 3.Low breathing resistance. Cleanroom nonwoven face mask/face mask/3ply face masksDetailed description1. Automatically produced and package in a class 100 clean room2. Well ventilated non woven disposable face mask3. Widely used in semiconductor, TFT LCD, electronics manufacturing lines, food companies ...