What is the difference between 2D Mask and 3D Mask? February 23, 2021
by BE HEALTHY USA onThere are two types of KF94 masks, the 2D style and 3D style.The 2D style is a clam shaped mask that is folded in half. (Horizontal)While the 3D style is a mask that has two flaps that fold out to cover the nose and chin. It is commonly referred to as a boat shape. (Vertical) Examples 2D: ETIQA, Blue 2D, Korea Mask Small 3D:...