The Air Wick Plug-In Scented Oil Warmers are a set of two wall plug-in diffusers designed for use with any Air Wick refill. These standard-sized warmers are suitable for any room in the home and feature a colorful, eco-friendly design that eliminates odors. Made of plastic, they come in a pack of two with a solid white color and are compatible with scented oil air fresheners. The warmers do not control humidity and are easy to install on the wall, making them a convenient and efficient addition to any space looking to freshen up with a pleasant aroma.