There are not any consumables or replacement parts, you don’t need to replace them, even the battery.
The iCaty CPAP Cleaner produces the activated oxygen on its own. Regular oxygen from the air is taken in and converted to activated oxygen, O3, for the sanitizing/cleaning process.
No, iCaty is not going to extend the life of PAP equipment. Please refer to your PAP manufacturers guidelines on equipment replacement. iCaty will keep your equipment clean, however silicone and other parts naturally lose their seal (with or without O3 cleaning) and we recommend replacement in line with your manufacturer’s guidelines. [...]
It work up to three cleanings on a single charge typically. The iCaty will beep during opertaion if the battery is low.