... wearing of glasses or goggles, reducing fogging,1)High filtration face mask;2)Made with non-poisnoous, nonallergic, non-stimulating materials3)Adjust ... animal husbandry, cutting dust, pollutes from heavy metal.6) Lead time:For sample mask, the lead time is 3-5 days;For mass ... days, according to your order quantity after confirm the sample; disposable dust mask