... a soft inner foam nose cushion help to press close to face and increase worker confort.Space structure, ... maskRubber, synthetic fur, metal casting, battery, building materials, chemical synthesis, nuclear engineering, mining, petroleum, shipbuilding, metallurgy, coal, ... /box, 40boxes/cartonDelivery15-45days after receiving deposit, according to client’s order quantityPayment Term30% T/T as deposit ...