... %, which depends on the material. We can also produced the face mask as per customer's requirements. Our mask ever exported ... . It can be used in hosipital,or industrial eara.,protect face from the dust,water and bacteria.3. Low breathing resistance ... the oil liquid gas.6. 8. Free of maintenance, hygienic, clean, environment friendly. MaterialNon-woven, Meltblown fabric, Customized Stylewith ear loop ...