CSparkv 4pcs Filter Cartridge Activated Carbon Filter Cartridges for Gas Masks Respirators

Dimensions: 7 x 7 x 3 cm; Material: PC + activated carbon Includes 4 replacement activated carbon filter cartridges The mask filter can be replaced by yourself, simple, practical and frugal High quality activated carbon filter cartridge, effectively purify the air, meet safety ...Dimensions: 7 x 7 x 3 cm; Material: PC + activated carbon Includes 4 replacement activated carbon filter cartridges The mask filter can be replaced by yourself, simple, practical and frugal High quality activated carbon filter cartridge, effectively purify the air, meet safety standards Ideal for filtering small dust, mists, metal fumes, spray paint, chemicals and small flying particles