The nasal mask is composed of the main body, eyebrow support, elbow, elbow cover, cushion, rubber plug, clasp, buckle, forehead pad, and headband.
The mouth and nose mask is composed of a main body, an elbow, an elbow cover, a cushion, a rubber plug, a buckle, a forehead pad, and a headband.
Common breathing mask materials are PVC, TPU and silicone. PVC material is cheap, but not environmentally friendly; TPU material is more environmentally friendly than PVC, but its formability is poor; silicone material is soft, has good toughness and elasticity, and can achieve better sealing of the face fitting position, and is environmentally friendly and non-toxic. Commonly used materials.
