Masks are provided as-is with all faults, and Clear Pro, LLC for the US, Clear Pro Global for Canada, (Clear Pro) specifically disclaims all warranties, express or implied, including (without limitation) implied warranties of merchantability or fitness for a particular purpose. Masks are not intended to be used by medical providers. They are non-sterile and are not intended for use in any clinical or surgical setting or where exposure to bodily or hazardous fluids may be expected, where the risk of exposure through inhalation is high, or near intense heat or flammable gas. Masks are not surgical masks, personal protective equipment, or filtering respirators (such as N95 masks). It is not designed or intended to prevent, mitigate, treat, diagnose or cure any disease or health condition, including COVID-19/Coronavirus. Clear Pro does not provide any medical advice, diagnosis, or treatment, and any medical questions should be directed to your healthcare provider. Masks are not intended for extended use. The entire risk as to the quality and performance of the product is with the buyer. Clear Pro assumes no liability for inaccuracies or misstatements by third-party sellers. Third-party sellers are prohibited from making any medical, health, or protection claims in connection with the masks they resell, including in their artwork, tags, title, or description. This device is not intended for extended use or medical use. It is not made to prevent virus infections.