Hepalese Mask(R) with Activated Charcoal, Ear-Hook Type OZ-3 1 Case (50 Masks x 4 Boxes)

It has low inhalation resistance, so it doesn't cause any discomfort and is suitable for long-term use. It has a deodorizing effect. Each piece is individually wrapped. Model number: OZ-3 Type: Activated carbon included, ear hook Quantity: 1 case (50 sheets/box x 4 boxes) Material: Dust filter/Syntex (ultrafine fiber nonwoven fabric), Surface material/Benliese(R) (100% cotton cellulose long fiber nonwoven fabric, no binder) *This is a simple mask and cannot be used in workplaces where toxic gases or dust are generated. RoHS2 (EU)2015/863 compliant [About RoHS]