NOT KNOWN FACTUAL STATEMENTS ABOUT DISPOSABLE FACE MASK

PlastCare's masks consist of 4 layers of fabric and an aluminum nose bridge. They've been tested by Nelson Labs and, according to the manufacturer, are an ASTM Stage 3 for greater than ninety eight% bacterial filtration performance.Disposable face masks are not meant to be worn for quite a lot of hrs, suggests Nachman. They get considerably less su