These blue disposable earloop face masks conform to the ASTM F1862 Level 3 clasification.
They are made in USA by Medicom and come in a box of 50. These are the top quality face masks we sell.
At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.