I use all my vented N95s. I either wear a surgical over it or put a plastic cover on top of the valve. Here is an amazon cover, pretty easy to put it over the vent.
https://www.amazon.com/Houseables-Transparent-Waterproof-Dressings-Protection/dp/B07MFMF8RZ/ref=sr\_1\_11?dchild=1&keywords=shield+wound+shower&qid=1626919020&sr=8-11