The Safer® brand Critter Ridder® animal repellent ready-to-use spray is proven to keep pests from invading your yard. The dual action formula repels by releasing an intense odor and taste that is safe for the animal, but overwhelms their senses, Quickly teaching them to avoid the area. Critter Ridder® is effective against dogs, cats, groundhogs and other animals. The 32 oz spray covers a 320 sq-ft area for up to 30 days, leaving time for you to Enjoy your outdoor space.