This is NOT an official 3M product. This is one of several unique designs by third parties that are each their own shape and style, usually around the size of the 3M 6200 Medium mask. These third party products use the same bayonet style adapter as 3M products. This mask is likely NOT NIOSH approved.

This Half face respirator is made by CNSTRONG and is a size One Size. It costs about USD20. It has a Medium nose bridge height, and its facepiece is made of . The width min and max distances, in inches, curving from mid cheek to mid cheek are 3 and 5 respectively. The distance in inches, straight up and down in the middle along the nose line is a minimum of 3.25 and a maximum of 5. You can find more information about this mask at https://www.amazon.com/dp/B0BB22MGFB . Break off the bespoke filter holder that has been attached in order to reveal 3M bayonet adapter.