Keep mosquitoes at bay with the Good knight Gold Flash Liquid Vapouriser Mosquito Repellent Refill. This 45 ml refill is designed for use with Good knight electric vaporizers. It releases a powerful mosquito-repelling formula that effectively protects your home from mosquitoes for up to 60 nights per refill. Easy to use and convenient, it provides continuous protection against mosquitoes, ensuring a peaceful and mosquito-free environment indoors.