This Harley L-188 brand, N95 particulate respirator, conforms to NIOSH standards
approved through the CDC and FDA. These masks help to decrease the transmission
of COVID-19, viruses, and other germs, as well as block dust and microorganisms
through 95% filter efficiency. They are hypoallergenic, latex free and
fiberglass free. Features include an adjustable nose bar and adjustable, padded
nose piece for a comfortable fit, recommended for single use.