This Half face respirator is made by AirBoss and is a size L/XL. It's model is the AirBoss it costs about 65 dollars US. It has a Med/High nose bridge height, and its facepiece is made of Silicone - possibly impure. The width min and max distances, in inches, curving from mid cheek to mid cheek are 2.75 and 4.25 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 4.5. The average depth of the mask is 1.45 inches deep. You can find more information about this mask at https://www.adg.com/store. This mask weighs about 142 grams. Optional face shield clips on. NIOSH N100. Source Control.