Hartz ADVANCED CARE 4 in 1 Flea & Tick Drops Plus+ for Dogs and Puppies (weighing 31-45 lbs) is a monthly treatment that effectively controls flea and tick infestations. This formula kills and prevents adult fleas, ticks and mosquitoes, plus flea eggs and larvae thereby breaking the flea life cycle. Hartz ADVANCED CARE 4 in 1 Flea & Tick Drops Plus+ for Dogs and Puppies (weighing 31-45 lbs) contains both an insecticide to kill adult fleas, ticks and mosquitoes and an insect growth regulator (IGR) to kill flea eggs before they hatch. Adult fleas spend virtually all of their time on your pet, but they produce a vast number of flea eggs which drop off the pet and develop in the environment. Once fleas are apparent on your pet, there is already an infestation of the pre-adult stages in your home. Hartz ADVANCED CARE 4 in 1 Flea & Tick Drops Plus+ for Dogs and Puppies (weighing 31-45 lbs) is designed to kill both the adult flea and flea eggs and larvae, thereby breaking the flea lifecycle. This product also kills and repels the Deer tick, which may carry Lyme disease.
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Hartz Advanced Care 4in1 Flea & Tick Drops Plus+ For Dogs and Puppies Weighing 31 to 45 lbs. (weighing 31-45 lbs - 6 tubes) 
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