This is a mask to replace the core link!!

PIRATES/ special activated carbon cloth masks masks Jiabile pirates bicycle to replace the core

A mask with a long time need more inner core

Using advanced adsorption material， can effectively filter， exhaust steam locomotive emissions (including oil and gas，the black smoke， carbon monoxide， nitrogen oxides and other toxic carcinogenic ingredients) and airborne allergens，smoke， dust， pollen， floating dust， bacteria and other harmful substances to human health.