3 ply Nonwoven Face Mask Tie-on 15 years manufacturer with ISO 7th gold supplier CE,FDA,99.9% by Nelson test Anti H1N1 flu 3-ply nonwoven face mask tie-on has high filtration efficiency 99.9% and is ideal for hospital, dental, clean room,food preparation and industrial environments. They come in two primary styles, ear loops using a soft bandelastic or with ties made from spunbond. Standard ...