Additional Information  IMPORTANT: If the supplier lists any certifications/approval from agencies such as CDC, FDA, NIOSH, NPPTL, or ASTM etc., please check to ensure such certifications are current and appropriate. ** This item should not be used in any surgical setting or where significant exposure to liquid, bodily, or other hazardous fluids, may be expected; in a clinical setting where the infection risk level through inhalation exposure is high; or in the presence of a high-intensity heat source or flammable gas. We make no warranties, either express or implied, that the mask prevents infection or the transmission of viruses or diseases. Washing instructions: Hand washing in cold water is recommended. If machine washed, use the gentle cycle and cold water. For best results, hang dry.