W65 Self-Rescuer Respirator

Housed in a rugged stainless steel case and weighing only 2.2 pounds, the durable W65 Self-Rescuer provides emergency protection against carbon monoxide gas resulting from underground fires or explosions. The one-time-use device is for escape purposes only. The unit should not be used in atmospheres containing less than 19.5 percent oxygen or in atmospheres containing other toxic gases and vapors.