The MSA Advantage 3100 Full Face Mask Respirator Gas Mask is a reliable and durable piece of personal protective equipment (PPE). With facial coverage that extends to the full face, this mask provides a high level of protection against various gases and particles. The mask is designed to fit comfortably, with a 40mm NATO/RD40 filter class that ensures breathability and ease of use. This mask is perfect for those in need of a quality respirator mask for business or industrial purposes. Made in the United States and featuring the MSA brand, this mask is a great choice for anyone looking for a dependable and effective mask. The model number for this mask is 805414, and it is suitable for those with a medium-sized face.