Tomcat Mole and Gopher Repellent Granules (Not Sold in AK) Effectively repels moles, gophers, voles, armadillos and other burrowing pests Creates an unpleasant taste and smell that causes burrowing pests to relocate Ground-penetrating technology (GPT) improves castor oil's ability to mix with water and go deep into soil Safe for lawn and garden Treats 4,000 sq. ft.