To check the seal, exhale sharply while wearing the COVEX Shield. If air leaks around nose or the edges, readjust the position and the tightness. If you CANNOT achieve a proper seal, DO NOT enter a contaminated area.
To check the seal, exhale sharply while wearing the COVEX Shield. If air leaks around nose or the edges, readjust the position and the tightness. If you CANNOT achieve a proper seal, DO NOT enter a contaminated area.