The face mask should not be used (1) in any surgical setting or where significant exposure to liquid, bodily or other hazardous fluids, may be expected; (2) in a clinical setting where the infection risk level through inhalation exposure is high; or (3) in the presence of a high intensity heat source or flammable gas. Deep South Pout, Inc. makes no warranties, either express or implied, that the mask prevents infection or the transmission of viruses or diseases. - washable and reusable