Although it's hard to believe, the amazing Cigar Oasis will run out of juice sometime. It may be a long time from now, but that moment will eventually come. Well, that's why we offer these -Oasis Water Cartridge refills. No hassle, no worries, just switch the water tank cartridges and you're good to go for what seems to be another eternity of no-maintenance cigar storage. The original cartridge can be refilled between 8 and 10 times before a replacement is required, which is approximately every 12 months.
Note: One water cartridge. Replaces Excel water cartridge only, not Plus or other models. To maximize each model's cartidge use, they can all be used on their respective older models.