The Hydra SM Replacement Water Cartridge is an essential accessory for maintaining optimal humidity levels in personal humidors up to 8 cubic feet. Designed specifically for the Hydra SM Electronic Humidifier, this cartridge ensures consistent moisture distribution, preserving the quality and flavour of your cigars. Crafted from durable materials, the cartridge features a foam core treated with anti-fungal agents, promoting a clean and healthy humidification environment. Its compact design allows for easy installation and removal, making maintenance straightforward. To use, simply add distilled water to the cartridge, attach it to the Hydra SM unit, and activate the humidifier. Regular replacement of the water cartridge is recommended to maintain the efficiency of your humidification system. This ensures that your cigars are stored in an environment that supports their longevity and flavour profile. Whether you’re a seasoned cigar aficionado or a casual enthusiast, the Hydra SM Replacement Water Cartridge is a reliable and effective solution for preserving your cigar collection.