The 2804 is a general-purpose 3-ply pleated mask for facilities that go through masks by the case: food processing, cleanrooms, and light industrial floors. Its headline claim - up to 99% bacterial filtration efficiency - means the meltblown middle layer captures the vast majority of bacteria-carrying droplets, while the outer layer resists moisture and the inner layer stays soft against skin. It is hygiene and source control done comfortably, not a NIOSH-approved respirator.
Why crews pick it
Moldable nose clip improves the seal and cuts safety-glasses fogging
