Watch Out Rodent Repellent Concentrate uses TripleMint™ essential oil technology to help protect indoor and outdoor areas from mice and rats. Our plant-based formula combines a proprietary essential oil blend with a time-release system designed to create a strong mint scent barrier around entry points and nesting areas. Each bottle contains an 8 fl oz concentrate that mixes easily for continued use in homes, garages, attics, basements, and other spaces where rodents may appear.