Replacement filters for H2O 4 CPAP Ion Distilled Water System. Filters ensure you create an endless supply of distilled water. Filters should be changed every 3 months. Each filter cartridge...
Using distilled water ensures your CPAP humidifier chamber stays free of mineral build-up. The H2O 4 CPAP Distilled Water System conveniently turns tap water into distilled water almost instantly, perfect...
