Features:
1, the effective angle of snoring
2, clean air, filtered air of harmful gases and dust
3,Insist on using can effectively alleviate asthma
Applications: indoor, outdoor, hospitals, Air PMregion exceeded, etc
Soft, comfortable silicone engineered to stay firmlyin the nostril, forming a perfect seal without the need for straps.
Specification:
Shell: the shell shape, environmental ABS materials
Colors :Blue ,White ,Red
