Welcome to Reddit's place for mask information! Is it time to upgrade your masks but you don't know where to start? Dive in and discover how to find the right mask and fit test it to ensure a good seal. Our fun and helpful community is all about discussing masking tips, tricks, specs, tests, hacks, reviews, and advice. Besides respirator masks, we discuss the larger subjects of general respiratory protection, air filtration, HEPA filters, and other kinds of PPE.