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Virbac Knockout E.S. Area Treatment Carpet Spray | Prevents Flea Infestations | Rapid Relief | Effective & Clean Treatment | 16 Ounce Can

4.6 4.6 out of 5 stars 3,036 ratings

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  • Can prevent flea infestations from developing for up to 7 months
  • One 16 oz. can covers 2,100 square feet
  • Reaches fleas hidden in carpets, rugs, drapes, upholstery, pet bedding and floor cracks
  • No mess; Leaves no unpleasant odor or sticky mess and, when used as directed, does not stain furnishings

Customer ratings by feature

Easy to use
4.5 4.5
Longevity
4.1 4.1
Value for money
4.1 4.1

From the manufacturer

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Virbac Knockout E.S. Area Treatment Carpet Spray

Virbac Knockout E.S. Spray aerosol spray that kills adult fleas and ticks and prevents flea infestation for up to 7 months.

Looking for specific info?

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 2.5 x 2.5 x 9.5 inches; 1 Pounds
  • Item model number ‏ : ‎ VB02-16
  • Date First Available ‏ : ‎ June 3, 2008
  • Manufacturer ‏ : ‎ Virbac
  • ASIN ‏ : ‎ B00AT6FY6A
  • Customer Reviews:
    4.6 4.6 out of 5 stars 3,036 ratings

Product Description

Virbac Knockout E.S. Spray aerosol spray that kills adult fleas and ticks and prevents flea infestation for up to 7 months.

Important information

Ingredients

Pyriproxyfen: 2-[1-Methyl-2- [4-phenoxyphenoxy] ethoxy] pyridine 0.100% Pyrethrins 0.050% N-octyl bicycloheptene dicarboximide 0.400% Permethrin [*(3-Phenoxyphenyl) methyl (+ or -) cis-trans-3- (2,2-dichloroethenyl) 2,2-dimethylcyclopropatecarboxylate] 0.400% Related Compounds 0.035% Inert Ingredients: 99.015%

Directions

Read label before use

Legal Disclaimer

nverted aerosol spray containing pyrethrins and permethrin for control of adult fleas and pyriproxyfen (Nylar®) IGR for flea egg sterilization lasting up to 7 months. Covers approximately 2,100 sq. ft.

Customer reviews

4.6 out of 5 stars
4.6 out of 5
3,036 global ratings

Customers say

Customers like the flea control of the pet supplies. They mention that it is potent, and helps in reducing the flee load. They also appreciate the ease of use, saying that it only takes a few minutes to apply. Customers are also happy with the durability, saying it is reliable and lasts multiple treatments in one can. Customers also like the quality. However, some customers are mixed on smell, value, and safety.

AI-generated from the text of customer reviews

372 customers mention322 positive50 negative

Customers like the quality of the pet supplies. They say it works great in the home, it has an IGR and prevents reproduction. Some say the spray is potent and kills fleas and the entire flea life cycle for 7 days. Overall, customers are satisfied with the quality and effectiveness of the product.

"...Virbac works great in the home because it has an IGR and prevents reproduction. However, you still have to treat your pet(s) and your yard!..." Read more

"...Used it myself recently for the first time. Worked great! Just carefully follow the directions on the can...." Read more

"If fleas in home, this stuff is absolutely the best on the market. Spray once and get ‘em! I always have on hand for seasonal changes etc." Read more

"...It's wonderful...." Read more

176 customers mention158 positive18 negative

Customers like the flea control. They mention it's potent, and kills fleas and the entire flea life cycle for 7 days. It works great to get rid of flea infestations that your animals may have brought in. It completely knocked back the growing infestation after one treatment, and the flees have never returned. It also kills Japanese beetles and spiders.

"...The next day, there were NO FLEAS. A week later, I found a few in the house, but they weren't jumping...." Read more

"...It really does help to kill flea and tick infestations. HOWEVER; keep in mind that this is not a spray and done...." Read more

"...But it DOES KNOCKOUT THE FLEAS, all stages. I’m just extremely cautious because we all NOW KNOW ,,, how cancer can get us." Read more

"This is the only product I've found that gets rid of fleas and it doesn't take a lot to be effective. Recommended to me by a veterinary technician." Read more

36 customers mention31 positive5 negative

Customers find the pet supplies easy to use. They mention it's simple and effective. They also say it only takes a few minutes to apply and that it does not leave any residue.

"...They are on the side of the can and are clear and easy to follow...." Read more

"...It's very easy to use, and seems very effective." Read more

"...smell isnt too bad, works like a charm, easy to apply. It does the job and treats a decent sized area." Read more

"Great flea killer. Easy to use and you don't have to leave the premises." Read more

31 customers mention26 positive5 negative

Customers like the durability of the pet supplies. They say it works quickly, is reliable, and is very strong. Some say it lasts multiple treatments in one can and keeps working for up to 7 months. Overall, customers are satisfied with the quality and durability of this product.

"...They are very hardy and prolific little breeders...." Read more

"...Virbac is a trusted animal health brand, and their products are top quality. Buy Knockout first and you'll never have a problem again." Read more

"...But it does last throughout summer /fall." Read more

"...Lasts for several days, and it doesn't have any objectionable odor. Highly recommend." Read more

66 customers mention39 positive27 negative

Customers are mixed about the value of the pet supplies. Some mention that it is well worth the price, while others say that it seems a bit spendy at first. However, some say that the money they spent is totally wasted.

"...It’s well worth the cost." Read more

"...Now the money I spent is totally wasted, Ive had two months of pure stress and the situation is NO better, and I feel like I am going crazy!..." Read more

"Love that this product not only works, but is at a great price and does not need a vet prescription." Read more

"...I highly recommend it!! Well worth every penny!!" Read more

47 customers mention32 positive15 negative

Customers have mixed opinions about the smell of the pet supplies. Some mention that it works well for pet odors, while others say that they are not too fond of the chemical smell.

"...Dried in less than 15 minutes, no smell. Haven't seen a flea in months." Read more

"...Pros:It doesn't have a horrible odor, and what it does have, goes away quickly.It's more non-toxic than most flea sprays..." Read more

"...The spray really isn't bad the smell isn't great but what do you expect you ARE spraying a chemical...." Read more

"...We waited a couple hours and when we returned, it was dry. No odor, not sticky anywhere...." Read more

24 customers mention10 positive14 negative

Customers are mixed about the safety of the pet supplies. Some mention that it's safe for pets after an hour or two, and does not make pets sick from over-spray. However, others say that it is deadly toxic for cats and highly toxic to humans and animals.

"A Vet reccommended this, so I have used in the past,,, highly toxic to humans AND ANIMSLS,,, so be careful...." Read more

"...It's more non-toxic than most flea spraysIt is supposed to control fleas for 6 months...." Read more

"This product contains permethrin which is highly toxic to cats. If you are a cat household this is most likely not the product for you...." Read more

"...Virbac is safe as long as it has had time to dry...." Read more

10 customers mention5 positive5 negative

Customers are mixed about the coverage of the pet supplies. Some mention that it does the job and treats a decent sized area, while others say that it did not cover as much area as claimed. The can is large enough to treat several times, which may be needed to thoroughly treat all. However, some customers say that the product does not small bad and dries quickly.

"...The product doesn't small bad and dries quickly. Be sure to empty the vacuum bag frequently and keep checking the animals for live fleas...." Read more

"...kill the fleas or stop them from coming back.. but this can does NOT cover 2100Sqft.. I followed the instructions as stated on the can and website....." Read more

"...It does the job and treats a decent sized area." Read more

"...It did have slightly less surface coverage than claimed." Read more

Works great
5 Stars
Works great
This product really works. It kills fleas and their eggs.
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