Tomcat Mole and Gopher Repellent Liquid (Not Sold in AK) Effectively repels moles, gophers, voles, armadillos and other burrowing pests Ground-penetrating technology (GPT) improves castor oil's ability to mix with water and sink deep into soil Safe for lawn and garden Treats 10,000 sq. ft. Also repels voles, armadillos and other burrowing pests