Testo 327 CO only kit comes complete with:

• 0632 3204 - 327 CO Flue Gas Analyzer
• 0600 9741 - 12" flue gas probe with 5' hose, 932°F
• 0554 1096 - Power supply / recharger
• 0554 0040 - Particle filters - pack of 10
• 0516 3334 - Standard case