Description :<br /><br />50Pcs Multi Layer Dust-proof Activated Carbon Face Mouth Mask Industry Surgical<br /><br /><br /> Features :<br /><br /> 1.Brand new and high quality.<br /><br /> 2.Configuration of active carbon filter layer, can adsorption odor and organic gases.<br /><br /> 3.Filtering effect (B.F.E.) 99%.<br /><br /> 4.The first layer : Non-woven fabric material of splashing water, prevent droplets moisture infiltration.<br /><br /> 5.The second : activated carbon cloth can smell, odor barrier.<br /><br /> 6.The third layer : PP network layer, blocking dust.<br /><br /> 7.The fourth floor : super soft fiber hydrophilic nonwoven fabric, can remove sweat and grease.<br /><br /> 8.Can use in the high concentration of dust, particle size small dirty environment.<br />  <br /><br /> Specification : <br /><br />Size : 9 x 17.5 cm<br />Weight : 5g\/piece<br />Material :  non-woven fabrics<br /><br />Package Includes : <br /><br /><br /> 50 x Activated Carbon Face Mouth Mask <br /><br />  <br />Detail Pictures :