Advecta II Flea Treatment for Large Cat, 4 Monthly Treatments
Advecta II Flea Treatment for Large Cat, 4 Monthly Treatments
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Advecta II Flea Treatment for Large Cat, 4 Monthly Treatments

Advecta II Flea Treatment for Large Cat, 4 Monthly TreatmentsAdvecta Plus Flea Protection for Large Cats Fast Acting Topical Flea Prevention 4 CountAdvecta Plus Flea Treatment for Small Cat 4 Monthly Treatments
Dosage:4 Dose
Size:Large Cats (Over 9 lbs) 4 Dose
Multipack Quantity:1

Key item features


  • Advecta II Flea Treatment for Large Cat, 4 Monthly Treatments:
    • Large cats flea treatment contains the same active ingredients found in Bayer Advantage II for Cats
    • Kills existing fleas within 12 hours 
    • Provides 4 months of protection
    • Advecta for cats is a waterproof, fragrance-free formula
    • For use on cats and kittens 8 weeks and older
    • Made to kill all stages from eggs, larvae to adults
    • Still works after shampooing and swimming
    • Very easy to apply
    • Made to provide quick and lasting relief for your cat
  • Advecta II Flea Treatment for Large Cat, 4 Monthly Treatments:Contains the same active ingredients found in Bayer Advantage II for CatsKills existing fleas within 12 hours Provides Four Months of ProtectionWaterproof, fragrance free formula For the use on cats and kittens 8 weeks and older 
Current price is $24.87$226.09/fl oz
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Customer ratings & reviews

4.2 out of 5 stars
stars3,493 ratings1,238 reviews
How item rating is calculated
  1. 5 stars67% (2,336)
  2. 4 stars14% (491)
  3. 3 stars6% (224)
  4. 2 stars4% (123)
  5. 1 star9% (319)

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Showing 1-3 of 1,238 reviews

Dec 12, 2025
Shawanda
Top Reviewer
Item details
Dosage: 4 Dose
Size: Large Cats (Over 9 lbs) 4 Dose
5 out of 5 stars review

Verified Purchase

Great product! Well worth it!

As scared as I was to try this after a horrible experience with Adam flea and tick spray, Hartz flea collar, neither worked accept this so I’m thankful I tried it. She did have minor affects due to me being so scary and putting it to far below her collar and shoulder blades where she consumed some, she only drooled a few minutes but I had active charcoal to give her and she was fine. Fleas were gone primary for about 2 weeks and starting to see or or two coming back after she snuck outside lol so I’ll just retreat and keep going with this! Love the fact that it’s a great price for the product with 4 vials for about 4 months in case you have to reapply a little earlier in my case but well worth it bc she was covered in fleas before this! They were all gone in less than 12 hrs!!!

Helpful?1EKYSE7P80O6765485655
Jan 6, 2026
Mandi
Item details
Dosage: 4 Dose
Size: Large Cats (Over 9 lbs) 4 Dose
5 out of 5 stars review

Verified Purchase

Good value and it truly worked

It actually worked well. my indoor cats who don't nor have ever been outdoor cats some how got fleas my guess the dog. They started scratching a lot so I checked them to see why and saw some fleas and eggs, I used this on all 3 of them and it killed them all and they no longer are scratching. I did have to use a dog treatment for the dog and I used a flea bomb it took care of it fully so yes this stuff is actually good it just smells bad and strong.

Helpful?1EKYSE7P80O6765485655
Nov 11, 2025
James
Item details
Dosage: 4 Dose
Size: Small Cats (5-9 lbs) 4 Dose
5 out of 5 stars review

Verified Purchase

Worth the price, excellent product

I have a lot of cats. I’ve tried every single one of the products for fleas. It may be because we’re going into fall, and I had already tried different things with them in the middle of the summer. From the get-go, this was a wonderful product. Easy to unpack. Never found that before.. It was also very simple to apply. The way the applicator is shaped is it’s flat so it’s easier to rub it down until it gets right against the skin of your cat. The other ones you have to spread the fur with your fingers. As your wrestling, normally, an uncooperative fee line. Highly recommend. The reasonable price just sends it over the edge. By this not the other snake oil.

Helpful?1EKYSE7P80O6765485655