The Tight Seal Filtering Hardshell Mask

This is the hard-shell respirator that provides a tighter seal and better fit than most cloth and disposable masks while protecting against up to 98.6% of 2.5 micron particles (when tested at 32L/min). It fits snugly over your nose and mouth, with a medical grade silicone seal that helps ensure incoming air passes through its filter and adjustable silicone straps provide a snug, yet comfortable fit. The mask’s triboelectric charged filtration system traps germs, allergens, and pollutants as small as 0.1 micron; independent lab testing confirmed filter material efficiency greater than 99% with particle sizes from 0.1 to 0.5 microns at 236L/min. Exhaled breath is released through exit valves at the bottom of the mask to help prevent glasses from fogging.

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