This Half face respirator is made by MSA and is a size Large. Its model is the Advantage 290 and it costs about USD25. It has a Med/High nose bridge height, and its facepiece is made of TPR. The width min and max distances, in inches, curving from mid cheek to mid cheek are 4 and 5.75 respectively. The distance in inches, straight up and down in the middle along the nose line is a minimum of 3.25 and a maximum of 5.25. The average depth of the mask is 2.1 inches. You can find more information about this mask at https://www.amazon.com/MSA-815696-Advantage-Half-Mask-Respirator/dp/B013HM71SQ?th=1. This mask weighs about 92 grams. No exhale valve/has source control