The Frost King FC1 Protector is a polystyrene faucet cover designed to protect outdoor faucets from freezing temperatures during cold weather. This cover is typically used to insulate and safeguard outdoor water spigots from frost damage, which can cause pipes to burst. The Frost King FC1 is easy to install, with a simple slip-on design that fits over the faucet, providing a barrier against cold air. Made from durable polystyrene, the cover helps to maintain water flow and prevent freezing by creating an insulating layer around the faucet. This cover is commonly used in residential homes and can help avoid costly plumbing repairs due to winter freeze damage.