Cycling Running Outdoor Face Masks Sport Dust Mask Starter Training Mask Dustproof Carbon Filtration Workout Running Motorcycle Cycling Mask

Description

This filter has 5 layers provide professional filtration. The first layer blocks large particles, the second activated carbon filter layer filter benzene, car exhaust. The third and fourth layer filter 0.03-0.3 microns of dust and particles. The fifth non-woven layer comfortable and breathable. Replaceable filter, easy to change activated carbon filter by opening air valves. Neoprene fabric of face mask soft and comfortable, which allows longer use not like disposable mask, meanwhile The dust mask can be washed when get dirty.