This Half face respirator is made by Trend and is a size S/M. Its model is the Stealth and it costs about USD15. It has a Medium nose bridge height, and its facepiece is made of TPE - latex and silicone free. The width min and max distances, in inches, curving from mid cheek to mid cheek are 2.5 and 4.5 respectively. The distance in inches, straight up and down in the middle along the nose line is a minimum of 3.75 and a maximum of 5.25. The average depth of the mask is 1.2 inches. You can find more information about this mask at https://www.amazon.com/dp/B0784Z8P3D?. This mask weighs about 139 grams.