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Bayer K9 Advantix II, Flea And Tick Control Treatment for Dogs

4.2 out of 5 stars 4,290 customer reviews
| 139 answered questions

List Price: $56.93
Price: $42.99 & FREE Shipping. Details
You Save: $13.94 (24%)
In Stock.
Ships from and sold by Amazon.com.
11 to 20 Pound
4-Month
  • Kills ALL life stages of fleas and prevents development of fleas, flea eggs, larvae, and pupae
  • REPELS and kills ticks, fleas, and mosquitoes. REPELS biting flies and kills lice, too
  • Kills fleas within 12 hours & kills reinfesting fleas within 2 hours
  • Prevents further flea infestation for at least 4 weeks
  • Remains effective even after swimming or shampooing
21 new from $42.99
Special Shipping Information: This product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states.


$42.99 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com.

Frequently bought together

  • Bayer K9 Advantix II, Flea And Tick Control Treatment for Dogs
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  • Bayer Advantage II Flea Control Treatment for Cats
Total price: $107.97
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From the Manufacturer

Small dog Medium dog Large dog Extra Large dog
Kills fleas within 12 hours of application

Product description

Size:11 to 20 Pound  |  Style:4-Month

Product Description

K9 Advantix II offers broad spectrum protection against fleas, ticks and mosquitoes. It is specifically formulated for dogs and comes in a convenient, monthly topical application that not only kills but also repels fleas, ticks and mosquitoes. K9 Advantix II also kills ALL life stages of fleas, repels biting flies and kills lice. K9 Advantix II is for use on dogs 7 weeks and older. EPA Reg # 11556-142

Brand Story

By K9 Advantix II


Product details

Size: 11 to 20 Pound | Style: 4-Month
  • Product Dimensions: 7.8 x 1 x 4.2 inches ; 0.8 ounces
  • Shipping Weight: 0.8 ounces (View shipping rates and policies)
  • Domestic Shipping: Amazon only ships this item within the contiguous 48 United States. Other Sellers on Amazon may ship this item to Alaska, Hawaii and US Territories.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B004QMX4RY
  • Item model number: 710546020004
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (4,290 customer reviews)
  • Amazon Best Sellers Rank: #1,299 in Pet Supplies (See Top 100 in Pet Supplies)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

on June 30, 2016
Size: 21 to 55 Pound|Style: 2-Month|Verified Purchase
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0Comment| 18 people found this helpful. Was this review helpful to you?YesNoReport abuse
on August 25, 2014
Size: Over 55 Pound|Style: 6-Month|Verified Purchase
0Comment| 5 people found this helpful. Was this review helpful to you?YesNoReport abuse
on October 2, 2016
Size: Over 55 Pound|Style: 6-Month|Verified Purchase
0Comment| One person found this helpful. Was this review helpful to you?YesNoReport abuse
on September 18, 2016
Size: Over 55 Pound|Style: 6-Month|Verified Purchase
0Comment| 13 people found this helpful. Was this review helpful to you?YesNoReport abuse
on October 4, 2014
Size: 11 to 20 Pound|Style: 2-Month|Verified Purchase
0Comment| 4 people found this helpful. Was this review helpful to you?YesNoReport abuse

Most Recent Customer Reviews

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