3M-demoing-respirators

Published September 14, 2023 at 300 × 440 in Breaking Ground on Wildland Respirators
3M powered air-purifying respirators were one of five prototypes tested at the August 30th field trial.

3M powered air-purifying respirators were one of five prototypes tested at the August 30th field trial.

3M powered air-purifying respirators were one of five prototypes tested at the August 30th field trial.