Description: Maximum Safety: Face cover offers a professional solution with the system of particle filters capable of blocking almost 100% of organic gases, smoke, dust, pollen and other particles in the air. Cotton filters and cartridges are replaceable to give a long working life. Specifications: Type: Face Cover Color: As Picture Shown Package Size:20*13*14cm/8.87*5.50*5.11in Gross weight:539g/1.19LB Package includes: 1x face mask 2 x filter box 2 x filter box cover 1 x anti-scratch and anti-fog glasses 10 x filter cotton.