... Mask,Medical Face Mask,2)Original package3)Very Low Resistance to breathing,Nose Bar Adaptable4)High Filtration Capacity,BFE ≥99%Feather ... ISO9001 EN14683 GB 2626-2006 approved4)Service:Small Orders AcceptedApply to: Hospital,Swine Flu,H1N1,other flu,factory etc.Besides:BFE ... our products, you can return it to us for a prompt exchange or we will refund your payment;while buyers are responsible for fees ...