OKT1320 Features: * For oil-free paint sprays and pesticides * Cartridges come with a new inhalation valve for less maintenance and fewer parts to inventory * Cartridges snap-in for easy replacement * Conforms to the contours of your face without pressure points * Extra wide flange seals easily and stays sealed even when talking * Low profile provides a wider field of vision than any other respirator * Soft yet durable facepiece designed for comfort * Testing and approvals: * NIOSH approval