JT Eaton formulates these Bait Blocks for maximum effect against rats and mice. This product contains Diphacinone, an anti-coagulant and first-generation rodenticide. Unique Flavorizers„ make these blocks extremely palatable to Norway rats, roof rats, and house mice. Place these bait blocks in tamper-resistant bait stations to protect from non-target mammals, pets, and children. Use above-ground either outdoors or indoors. For maximum effect, remove other food sources. Replace spoiled or contaminated bait immediately. Choose from a 64-count pail of peanut butter-flavored blocks or a 144-count pail of apple-flavored blocks below. Rat control: Apply 4 to 16 blocks per placement. Space placements at 15 to 30-foot intervals. Maintain a fresh supply of bait for at least 10 days or until signs of rat activity decrease. Mouse control: Apply 1 block per placement. Space placements at 8 to 10-foot intervals. Maintain a fresh supply of bait for at least 15 days or until signs of mouse activity decrease. ** Always read instructions and follow proper safety guidelines. In case of accidental ingestion give Vitamin K1 intramuscularly or orally. **