Vesti Casa: Radiators Humidifier, Ceramic, White (Pack of 12) Size: 18 X 7.5 X 3cm - Material: Ceramic Practical radiators humidifier equipped with universal hook, it fits easily onto covered radiators and free-standing units It improves the air quality in the room by adding humidity trough natural evaporation Just fill it with tap water and attach it to your radiator, no need for filters or chemicals like antibacterial or cleaning solutions By Vesti Casa, Italian quality (made in P.R.C.)