This system maintains your cigars at optimum condition - made in France in collaboration with CREDO™. The secret of its originality lies in a physico-chemical solution. The principle is on the creation of a mélange of water and tension-active substances, which limits the evaporation of the water itself. The humidity of the air is a function of the composition of this mélange. Therefore, the system can control the Relative Humidity of the ambient atmosphere inside your humidor. 165mm x 65mm x 20mm – up to 200 cigars. Use only distilled water.