Features:
The use of food-grade high-quality materials, , , and , men, women, and can rest assured to wear.
The -filter has permeability and can be used when moving, so it is suitable for people who have high requirements for air permeability.
Applicable scene: suitable for dust, , mild to moderate haze, and people with severe rhinitis.
Family mixed-size package, each with a pair of S-and M-L sizes, with a built-in filter and an additional two pairs of replacement packages.
Easy to carry, equipped with storage box, easy to wear at any when you are away from home, there is no need to worry that there is no place to store it.

Specification:
Item: Invisible Nasal Filter
Material: Silicone,ABS
Shape: Narrow; Round (Optional)
Narrow Size: S: 9*15mm; M: 11*16mm; L: 11*19mm
Round Size: S: 11*14mm; M: 12*14mm; L: 13*15mm
Package Size: 8.5*4.5*4cm / 3.35*1.77*1.57in
Package Weight: 28g / 0.99oz

Package List: W17565-2
1 * S Invisible Nasal Filter
1 * M Invisible Nasal Filter
1 * L Invisible Nasal Filter
3 * Replacement Filters
1 * Tweezers