Size ConversionInches Centimeters Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size. Specifications:
Name
| Mask Valves
| Material
| ABS
| Quantity
| 1 Pair
| | Advantages | Replacement, Anti Haze, Mask Accessories
| Outer Size
| 40mm x 35mm/1.57' x 1.38' (Approx.)
| Inner Diameter
| 18mm/0.71' (Approx.)
|
Features: 1.Made of ABS material, durable to use. 2.Mask accessories, which should be used with mouth masks (not included). 3.Suitable for sports masks, running masks, active carbon masks, etc..
Notes: -Due to the light and screen setting difference, the item's color may be slightly different from the pictures. -Please allow slight dimension difference due to different manual measurement.
Package Includes: 1 Pair of Mask Valves (Mask Not Included) 
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