Review on 🧼 Biostar Premium Individually Packed Filter: Boost Your Water Purity! by Josh Jeffries

These masks are extremely comfortable and form fitting for maximum protection. Because these masks have such a secure fit, I have no issues with my glasses fogging up. I love that unlike other KF-94 masks they are FDA cleared for use in the US and have four layers instead of the usual three which makes me feel completely safe! Also, I've found that they don't irritate my skin unlike other masks I've used in the past. Overall, this is the most comfortable and protective mask on the market!