advantage Advantage Flea Medication 4 or 6-Month Supply. A once a month Topical Flea Treatment for dogs and puppies. Kills 98-100% of fleas within 12 hours. Prevents reinfestation for at least 4 weeks. Convenient and easy to apply. Variatons available: (Green) for dogs and puppies 7 wks and older and 10 lbs. and under. (Teal) for dogs and puppies 7 weeks and older and 11-20 lbs. (Red) for dogs and puppies 7 weeks and older and 21-55 lbs. (Blue) for dogs and puppies 7 weeks and older and over 55 lbs. (Orange) for Cats & Kittens 8 weeks and older and 9 lbs. and under. (Purple)  for Cats & Kittens 8 wks and older and over 9 lbs.

Advantage® Flea Control for dogs and cats is used on dogs and cats at least seven weeks of age or older. It is applied once a month topically, and kill's 98-100% of the fleas within the first 12 hours, it becomes water resistant after 24 hours. Four Pack.

Advantage® Flea Control for dogs and cats is used on dogs and cats at least seven weeks of age or older. It is applied once a month topically, and kill's 98-100% of the fleas within the first 12 hours, it becomes water resistant after 24 hours. Four Pack.

Advantage by BayerOnce a month topical flea treatment for cats and kittens 8 weeks and older.Active Ingredient: Imidacloprid. Usage: Cats once a month treatment to kill fleas and prevent infestation for 4 weeks. Do not use on kittens under 8 weeks of age. Note: Read label carefully.

78899579001 Features: -Once a month topical flea treatment for dogs. -Kills 98-100pct of fleas within 12 hours. -Prevents reinfestation for at least 4 weeks. -Convenient and easy to apply. -For dogs 7 weeks and older and 1 to 10 lbs. -4 month supply.

Advantage Flea Medication Purple 4-Month Supply. A once a month Topical Flea Treatment for Cats and Kittens 8 weeks and older and over 9 pounds. Kills 98-100 percent of fleas within 12 hours. Prevents reinfestation for at least 4 weeks. Convenient and easy to apply. Starts to kill adult fleas within an hour after application Stops biting fleas in three to five minutesWithin 12 hours 98-100 percent of fleas are dead

Advantage A9 Once a Month Tick and Flea Control for Cats 9 Pounds and UP - Purple

Protect your cat and your home from fleas with this topical treatment made for cats over 9 lb. Within only 12 hours after application, the medication kills 98 – 100% of fleas and prevents them from returning for at least 4 weeks. Apply the medication once a month for continued protection and peace of mind.Product Features:

Safeguards your cat from infections caused by flea bitesFor cats over 9 lb. and 8 weeks and olderWorks fast by killing 98 – 100% of fleas within 12 hours after applicationPrevents fleas from coming back for at least 4 weeksWaterproof formula helps medication stay putEasy to apply for quick, convenient protectionApply once a month

(Model 78899579006)

Features: 6 Month Supply - For Cats And Kittens 1-9 Lbs.

Which works best for my indoor cats? The Advantage will come in one month supply costing $12.00 and the Promeris will come with three month supply costing me $36.00, so not much difference in price, but I want something that will work.

promeris vs advantage