Tomcat Mole & Gopher Repellent Ready-To-Spray utilizes a proprietary formulation that improves the ability of the active ingredient, castor oil, to penetrate into the soil. It effectively deters not only moles and gophers, but also voles, armadillos and other burrowing pests. Treats up to 10,000 sq. ft. and is safe for your lawn and garden (when used as directed). Not for sale in IN, NM and WI.