This Half face respirator is made by Envo and is a size Regular. Its model is the Envo Pro and it costs about USD69. It has a Medium nose bridge height, and its facepiece is made of Silicone "gel". The width min and max distances, in inches, curving from mid cheek to mid cheek are 3.25 and 5 respectively. The distance in inches, straight up and down in the middle along the nose line is a minimum of 3 and a maximum of 5.5. The average depth of the mask is 1.85 inches. You can find more information about this mask at https://envomask.com/product/envo-pro-n95-respirator-kit/. This mask weighs about grams. N95 and N99 are separate inserts. N95 comes with source control, N99 comes without source control.