The special sea salt is suitable for use with the Beurer maremed MK 500 sea climate device. It can be used as a supportive treatment for asthma, atopic dermatitis, and psoriasis. The special sea salt is made from natural salts and contains more than 65 trace elements, such as magnesium, calcium, potassium, and iodine minerals. The package includes a bottle of special sea salt (1250 g) and a measuring cup for better dosing. The maremed filter set consists of two pre-filters and one water filter. The pre-filter removes particles such as house dust, pet hair, and the smallest airborne particles from the air. The filter efficiency is up to 70%. It is recommended to replace the filters every 3 months.