Avoid dry lips throat & furniture due to heating systems & dry winter air Ease respiratory coinditons such as coughs & croup Suitable for rooms up to 40sqm Up to 10 hour running time 4-lire tank Power on neon light Easy fill water tank Indoor air quality is influenced by the temperature & relative humidity of the air with a relative humidity of 45 to 55 being considered pleasant & healthy. Heating systems & dry winter air often combine to reduce indoor humidity levels to below 25. Dry throat sore lips static electricity & other uncomfortable symptoms are often the result. Wooden floors antiques paintings & musical instruments can also suffer as a consequence of dry air. Humidifiers replace lost moisture back into the air thereby restoring the natural & ideal moisture balance. Respiratory conditions cough & croup can also be alleviated & soothed especially through the use of Warm Mist Humidifiers.