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🐾 Stay ahead of fleas—because your cat deserves uninterrupted comfort!
Advantage Bayer II Flea Prevention for large cats (9+ lbs) delivers fast-acting, vet-recommended flea control that kills fleas at all life stages through contact. Each easy-to-apply dose provides 30 days of waterproof, fragrance-free protection, ensuring your cat stays flea-free and comfortable with minimal effort.














| ASIN | B004QN0MJQ |
| Active Ingredients | Imidacloprid, Pyriproxyfen |
| Age Range Description | Adult |
| Brand | Advantage |
| Brand Name | Advantage |
| Customer Reviews | 4.5 out of 5 stars 13,192 Reviews |
| Dog Breed Size | Large |
| Global Trade Identification Number | 00724089202246 |
| Item Form | Topical |
| Item Weight | 23 g |
| Item form | Topical |
| Item volume | 3.2 Milliliters |
| Item weight | 23 g |
| Manufacturer | Bayer |
| Manufacturer Part Number | 81520224 |
| Model Number | 86336790 |
| Scent | fragrance_free |
| Scent Name | fragrance_free |
| Target Species | Cat |
| UPC | 727516696311 724089378774 643996929094 724089616852 724089202246 024089616853 788995790068 891962001323 |
| Unit Count | 4.0 Count |
| Volume | 3.2 Milliliters |
D**N
Works fast and keeps the fleas away!
I use Advantage II Large Cat (for cats over 9 lbs) on my big boy and it’s been excellent. Within about 12 hours of applying it I started seeing dead fleas, and after a full application the problem was under control. It kills adults, larvae, and eggs, so it actually breaks the cycle instead of just treating what’s visible. Application is easy just part the fur at the base of the neck and apply. No strong smell, and once it’s dry it’s waterproof. He’s over 9 lbs so this size is perfect for him, and I’ve had no irritation or issues. Reliable, vet-recommended, and effective. Highly recommend for large cats if you’re dealing with fleas or want solid monthly prevention!
J**A
It worked very well for my cats!
I have two indoor cats that had never had fleas before. After a trip, we noticed they were scratching a lot. I wasn’t sure the first product had completely solved the problem, so I tried Advantage II. I applied it to both cats on the same day. The next day, I found several fleas around the house, especially near their favorite sleeping area. The fleas were large, but they were lying on their sides and barely moving, which showed the product was working. My cats were much more comfortable after the treatment, and the number of fleas quickly started to decrease. I’ll continue vacuuming to help break the flea cycle, but I’m very happy with the results so far. It was easy to apply and seemed to work quickly. I recommend it to anyone dealing with a similar situation, especially since sometimes you don’t see fleas on your pets — you only notice the scratching.
A**N
Saved my life
My indoor cats got fleas. This product saved mine and my kitties lives! I’ve used the past three months and I saw effects immediately. My cats are great now and I’m just using as precaution as I don’t want that happening again. It does have a little bit of a smell, but not bad and I put at the top of their neck so they couldn’t lick it off. They were wet for about 24 hours and then they are fine. Don’t forget to do other house precautions too like vacuuming and I also was getting an exterminator to spray inside and out.
K**Y
Killed my cat’s flea infestation.
My cat recently had a flea infestation. His normal collar was not working, and this product came highly recommended from my sister who has five cats as well. It was very effective in combating his fleas. They were gone within a week. It seems to last as long as it says it does. My sister typically retreats after three weeks for her babies. I am currently on second dose and we have yet to have any fleas. Overall, I am very pleased with this product. It does not leave a scent that I noticed my cat did not have skin irritation or hair loss.
K**R
Worked as advertised
Worked as advertised
Trustpilot
3 weeks ago
2 months ago