Do not let the mosquitoes disturb a good night's sleep with the help of this Good Knight Advanced Active plus Liquid Refill. This combo consists of a machine and a refill for the machine. It is not just about the nuisance they cause, mosquitoes are also carriers of some of the most deadly diseases. Hence, getting rid of them should be a priority. A mosquito's irritating bite can ruin almost any occasion. Protect your family's happy moments with the most innovative mosquito repellents from the house of Good knight, which brings you the safest and the most technologically superior products to protect your family and loved ones