Frontline Plus Purple Flea Treatment Dogs 45-88 lbs 3 Pack SKU SO5004 An internal error has occurred $41.99 Quantity discounts available QuantityPrice In Stock Quantity -+ Add to Cart Check Out Safely Details Has everything that Frontline has Plus Methoprene (Insect Growth Regulator), which is effective against all stages of fleas and ticks including eggs a... Details Back DetailsHas everything that Frontline has Plus Methoprene (Insect Growth Regulator), which is effective against all stages of fleas and ticks including eggs and larvae. Do not use on dogs or cats under 8 weeks. 3 month package for dogs 45-88 lbs.