PetArmor® Fastact™ Plus Flea & Tick Spray for Dogs and Cats. Kills fleas and their eggs for up to 30 days. Kills ticks. Controls reinfestation for up to 30 days. Questions Comments 1-888-908-TICK (8425). Or write to: Sergeant's Pet Care Products, Inc. P.O. Box 540399, Omaha, NE 68154-0399.