3D split vault skeleton, even breathing even if you exercise
Large diameter cold flow breathing valve for smoother air circulation
Ultra-thin silicone valve, sensitive rebound, high airtightness
High-efficiency filtration of 5-layer filter material, environmentally-friendly polyurethane sponge material, preliminary filtration of large particle impurities such as pollen
Food-grade PC material, quiet and ultra-thin fan, the mask is safe and comfortable to wear
Three-dimensional structure, compact appearance, and lightweight design
A perfect gift for outdoor sports
Nano-fiber electret filtering technology, the air filter is apparently able to achieve PM2.5 filtration efficiency of up to 99 percent
Three adjustable modes, the mask has a thin fan with 3 speeds, and you can adjust the fan speed by a button, which is designed for meeting different demands on various conditions and relieving the suffocating feelings