The NIOSH approved 3M 7800S reusable full facepiece respirator features a durable elastomeric facepiece composed of soft, pliable silicone and a double-flap face seal with easily adjustable straps. The face piece has a scratch-resistance lens and the extra-large valves for inhalation and exhalation allow effortless breathing while the speaking diaphragm enables clear communication. This respirator is designed for comfort, long life and versatility with applications ranging from use as an air purifying respirator to a positive pressure supplied air respirator. Size: Small. 3M#: 7800S-S.