This Half face respirator is made by Scott and is a size Small. Its model is the Xcel and it costs about USD15. It has a Medium 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 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. The average depth of the mask is 2.05 inches. You can find more information about this mask at https://5dsupply.com/products/scott-xcel-half-mask-respirator. This mask weighs about 128 grams. The headband and straps on this feel fragile