Material: Made with multi-layered non-poisonous, non-allergic, non-stimulating materials.

The high-efficient and strong electrostatic filtering materials effectively filter the solid particle dust, The filter efficiency achieves 95%, and prevent the oil liquid gas.

Package: 10pcs/box, 40boxes/carton, ctn size:64x30x900px Gw./Nw: 6/4kg