This Half face respirator is made by 3M and is a size Small. It's model is the 6100 it costs about 15 dollars US. It has a Med/Low nose bridge height, and its facepiece is made of TPE. The width min and max distances, in inches, curving from mid cheek to mid cheek are 3.25 and 4.75 respectively. The distance in inches, straight up and down in the middle along the nose line is a minimum of 2.75 and a maximum of 4.5. The average depth of the mask is 1.85 inches deep. You can find more information about this mask at https://www.3m.com/3M/en_US/p/d/v000057394/. This mask weighs about 79 grams.