Repels moles, gophers and other burrowers Protect your lawn, gardens and planted areas with castor oil based products which deter burrowing animals with its taste, smell and feel which they intensely dislike. Environmentally friendly, biodegradable, and will not harm birds, pets or plants. Effective for up to 60 days. Not recommended for use on edible plants. Available in liquid concentrate w/Hose End Sprayer which treats 10,000 sq ft or gallon concentrate which treats 40,000 sq ft. Exempt from registration and reporting under Federal & CA EPA standards and therefore requires no Pest ID#.