This Half face respirator is made by Envo and is a size XL. 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 3.5 and 4.75 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 1.9 inches. You can find more information about this mask at https://envomask.com/product/envo-pro-n95-respirator-kit/. This mask weighs about 94 grams. N95 and N99 are separate inserts. N95 comes with source control, N99 comes without source control.