Sealed W65 Carbon Monoxide Respirator Self Rescuer MSA 455299
W65 Self Rescuer Advantages: Provides emergency protection against carbon monoxide gas resulting from underground fires or explosions Total life of 15 years with an in-service life limited to ten years Rugged stainless steel case Weighs only 2.2 lbs. The serial number varies from stock photo. Open box never used. Safety tab still intact. Engraved on side “Catworks” for ownership purposes.