Replacement desiccant cartridges for the AP CO₂ Sensor (pack of 3).
The desiccant cartridge ensure accurate monitoring when the loop has high humidity levels.
These are consumable items that need to be changed every 20-30 hours of diving.
We recommend using the ‘Elapsed time’ feature to monitor protector duration.

PLEASE NOTE: Spare protectors should be stored in their sealed packaging until ready for use.