Sergeant's Dual Action Flea and Tick Collar II for Dogs - Up to 20.5" Neck

Sergeant s Dual Action Flea & Tick Water Resistant Collar II for Dogs For dogs. Fits neck to 20.5 inches. Kills fleas; ticks. Water resistant. Kills fleas for up to 3 months. Kills ticks for up to 3 months. Read entire label before each use. Use only on dogs. Do not use on cats. If you have questions or comments about this product please write: Consumer Response PO Box 540399 Omaha NE 68154-0399. In case of emergency call: 1-800-781-4738; Non-emergency call: 1-800-224-Pets (7387).