Sep 27, 2021
Particle Filtering Half Mask , KN 95 1. Put your hands on the mask and keep it fixed. 2. Forced exhalation, inhalation , if air over flows the nose bridge bar, should readjust the bridge bar; If air overflows from both sides at the mask, adjust the...
super sponge, medical face masks, OR towel, Lap sponge, alcohol pads, lubricating jelly, gauze swabs, wet wipe, PVP swabsticks