KN95 Face Masks 100 Pack,5-Ply Breathable Cup Dust Disposable Masks For Adult…
KN95 Face Masks. Ventilation Series KN95 Face Masks follow the GB2626-2019 respiratory protection standards，feature a filtration efficiency ≥ 95%, effectively filter smoke, droplets, dirt, dust and pollen, etc.
KN95 Face Masks 100 Pack,5-Ply Breathable Cup Dust Disposable Masks For Adult…
KN95 Face Masks. Ventilation Series KN95 Face Masks follow the GB2626-2019 respiratory protection standards，feature a filtration efficiency ≥ 95%, effectively filter smoke, droplets, dirt, dust and pollen, etc.
10.5inch Medical Torso Human Body Model Anatomy Doll 15 Removable Parts Educa…
Vivid Human torso organ structure: 15 Pcs Removable Organs including: Torso, Brain (2-part), Heart, Esophagus and Aorta, Lungs (4-part), Cranial Cap, Stomach, Diaphragm, Liver, pancreas and spleen, small and large intestine.