Part of their things-you-might-need-right-now page, which also includes a mask washer, a “personal air cleaner” torc that wouldn’t do jack against viruses, a desk fan that would just spread viruses, and their famous full-face pollen shield, which at least has the virtue of keeping you from touching yourself.
Markdown formatting and simple HTML accepted.
Sometimes you have to double-click to enter text in the form (interaction between Isso and Bootstrap?). Tab is more reliable.