Draeger PAC 6000 Single Gas Carbon Monoxide Monitor- 2yr life - 1/CSThe Drger Pac 6000 disposable personal gas detector measures CO reliably and precisely, even in the toughest conditions. The robust design, quick sensor response times, and a powerful battery ensure maximum safety for up to two years with virtually no maintenance required. for personal air monitoring detection of carbon monoxide time limited up to two years P#: 8327611