Lots of choices on amazon for under $20. Such as:
https://www.amazon.com/Facepiece-Reusable-Respirator-Professional-Woodworking/dp/B08CX7HQML/ref=mp_s_a_1_3?crid=QQKK9WRX9G6M&keywords=airbrush+mask&qid=1672159651&sprefix=airbrush+mask%2Caps%2C118&sr=8-3