Sport Mask With Exhalation Valves Activated Carbon Dust Mask. They automatically open when the wearer exhales and closes when breathing in. Hanging ear design with hook and loop fasteners fits better on the face.
A practical and well design sport mask for men women. Face mask, mask, respirator manufacturer / supplier in china, offering folded active carbon protective dust mask with exhalation valve, chinese custom non woven white or blue face mask for civil, protective face mask disposable nonwoven dust mask and so on. It should also keep the maskless sweaty.
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Most dust masks that belong in this category are equipped with exhalation valves as the breathing resistance here is greater in comparison to the others. • valves allow carbon monoxide out. We do not recommend wearing these indoors. Sport mask activated carbon dust mask with exhalation valves.
