Banks are now following the new FDA recommendation against VALVE masks. If you have one, you will probably run into this soon. We had one from years ago, and now no longer... FDA Advisory No. 2020-1374 - 20 July 2020 <<The Food and Drug Administration (FDA) is strongly advising the public that the use of a facemask with a valve is not recommended during this COVID-19 pandemic. The person wearing the mask with a valve can be protected from the virus. However if that person has the virus, he/she can infect other people.... Two-way protection is needed to prevent possible transmission of the virus. ....The person wearing the valve-mask is protected but if that person has the disease, he/she can spread the virus to other people. Face masks with valve should not be used in healthcare settings such as hospitals, clinics and other healthcare facilities...... Use of this face mask is also discouraged in the community setting especially in enclosed environment such as malls, offices, restaurants, hotels, etc.