Keep your humidor at a constant humidity level with this Xikar humidifier. Made to keep humidor that hold up to 50 cigars at a 70% humidity level, this humidification system will keep your cigars from drying out. You can firmly attach this humidifier to inside of your humidor's lid with a magnetic attachment system. The crystal gets in this humidifier use Xikar's PG solution to generate a 70% humidity. When the crystals dry out, simply refill them with more solution for the humidification system to keep working.