This Half face respirator is made by GVS and is a size S/M. It's model is the Elipse it costs about 35 dollars US. It has a High 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 respectively. The distance in inches, straight up and down in the middle along the nose line is a minimum of 3.5 and a maximum of 5.1. The average depth of the mask is 1.9 inches deep. You can find more information about this mask at https://www.amazon.com/GVS-SPR643-Elastomeric-Professionals-Replaceable/dp/B095YC3ZD5/. This mask weighs about 139 grams. Available with and without exhale valve/source control