Victor Rat-A-Way Rodent Repellent, 3 lb. Granular. This 100% natural and biodegradable repellent is formulated with recycled paper and essential oils, making it safe for people and pets. It effectively repels rats from the home, garage, sheds, wood piles, and more, lasting up to 14 days. Reapply every 2-4 weeks for continuous protection.