--- product_id: 287176093 title: "Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs, 11-20 lbs 11-20 lb 710546020004" brand: "k9 advantix" price: "S/.393" currency: PEN in_stock: true reviews_count: 6 category: "K9 Advantix" url: https://www.desertcart.pe/products/287176093-bayer-k9-advantix-ii-flea-tick-and-mosquito-prevention-medium store_origin: PE region: Peru --- # Waterproof, lasts after swimming Kills fleas within 12 hours 30-day continuous protection Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs, 11-20 lbs 11-20 lb 710546020004 **Brand:** k9 advantix **Price:** S/.393 **Availability:** ✅ In Stock ## Summary > 🐾 Protect your pup like a pro—because they deserve the best! ## Quick Answers - **What is this?** Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs, 11-20 lbs 11-20 lb 710546020004 by k9 advantix - **How much does it cost?** S/.393 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/287176093-bayer-k9-advantix-ii-flea-tick-and-mosquito-prevention-medium) ## Best For - k9 advantix enthusiasts ## Why This Product - Trusted k9 advantix brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Month-Long Shield:** One application delivers a full 30 days of flea, tick, and mosquito protection. - • **Waterproof & Active:** Keeps working even after baths or swims, so your dog stays protected rain or shine. - • **Multi-Pest Repellent:** Repels and kills fleas, ticks, mosquitoes, biting flies, and lice—total pest control. - • **Rapid Action Defense:** Starts killing fleas in just 12 hours—no waiting, no itching. - • **Vet-Recommended Formula:** Trusted by professionals to keep your medium dog safe and comfortable. ## Overview Bayer K9 Advantix II is a topical flea, tick, and mosquito prevention treatment designed for medium dogs weighing 11-20 lbs. It kills fleas within 12 hours and provides continuous protection for 30 days, repelling and eliminating multiple pests including ticks, mosquitoes, biting flies, and lice. The waterproof formula remains effective after swimming or bathing, and is veterinarian recommended for safe monthly use on puppies as young as 7 weeks. ## Description K9 Advantix II Dog: 4 Month Supply K9 Advantix II delivers pest protection through topical action. It protects against fleas (flea eggs AND larvae), ticks, mosquitoes, biting flies, and lice. It combines imidacloprid and permethrin with insect growth regulator pyriproxyfen, which interferes with the hormone signaling of molting insects so that fleas in immature stages are unable to molt. K9 Advantix II is for monthly use on puppies (as young as 7 weeks old) and dogs. DO NOT USE ON CATS. Features: Repels AND kills ticks, fleas, and mosquitoes Repels biting flies Kills Lice Kills ALL life stages of fleas. Prevents development of fleas, flea eggs, and larvae Kills fleas within 12 hours of initial application. Kills reinfesting fleas within 2 hours Protects against ticks that may transmit organisms that can cause: Lyme disease, Rocky Mountain spotted fever, Ehrlichiosis, Anaplasmosis Waterproof- continues to work after a bath or weekly swimming (for optimal results, use a non-detergent shampoo) One application lasts for a month Can be used on puppies as young as 7 weeks old Has easy-to-follow application instructions on the back of every package Item Specifications: Weight: 4-10lbs: Green 11-20lbs: Teal 21-55lbs: Red Over 55lbs: Blue Dose: Includes 4 applicators Application: Apply the entire contents of the tube evenly to two to three spots on the top of the back from the shoulder to the base of the tail. Monthly application. Length of Effectiveness: Under normal conditions, the product is effective for a month. However, in cases of severe flea infestation, retreatment may be necessary earlier than four weeks. Do not retreat more often than once every seven (7) days. After flea control is attained, return to a monthly retreatment schedule. Ingredients: 8.80% Imidacloprid 44.00% Permethrin 0.44% Pyriproxyfen 46.76% other ingredients Active ingredients work synergistically: The combination of imidacloprid with permethrin exerts a unique synergistic effect on the arthropod Review: السعر مرتفع مقارنة في جودة المنتج Review: Recomendable ## Features - New packaging, same formula: Contains four one month applications of Bayer K9 Advantix II topical flea, tick and mosquito prevention for medium dogs 11 to 20 pounds - K9 Advantix II kills through contact, so fleas, ticks and mosquitoes don't have to bite your dog to die - Veterinarian recommended - Repels and kills fleas, ticks and mosquitoes - Topical treatment is easy to apply, starts working to kill fleas within 12 hours and keeps working for 30 days ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004QMX4RY | | Active Ingredients | Permethrin | | Age Range Description | All Life Stages | | Allergen Information | Abalone Free | | Best Sellers Rank | #32,205 in Pet Supplies ( See Top 100 in Pet Supplies ) #41 in Dog Flea Drops | | Brand Name | K9 Advantix | | Customer Reviews | 4.4 4.4 out of 5 stars (6,116) | | Global Trade Identification Number | 00724089203724 | | Included Components | Tablets | | Item Form | Topical | | Item Type Name | Bayer K9 Advantix II Flea, Tick and Mosquito Prevention for Medium Dogs, 11 - 20 lb, 4 doses | | Item Weight | 23 g | | Manufacturer | K9 Advantix | | Manufacturer Part Number | 710546020004 | | Model Number | 86315157 | | Scent Name | Unscented | | Target Species | Dog | | UPC | 085400000522 724089584984 724089203724 891962001521 024089584985 724089351326 | | Unit Count | 4 Count | | Volume | 4 Milliliters | ## Product Details - **Active Ingredients:** Permethrin - **Brand:** K9 Advantix - **Item form:** Topical - **Item weight:** 23 g - **Scent:** Unscented ## Images ![Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs, 11-20 lbs 11-20 lb 710546020004 - Image 1](https://m.media-amazon.com/images/I/71SCebDcfqL.jpg) ## Customer Reviews ### ⭐⭐⭐ Review *by A***R on 31 January 2024* السعر مرتفع مقارنة في جودة المنتج ### ⭐⭐⭐⭐⭐ Review *by P***I on 8 November 2020* Recomendable ### ⭐⭐⭐⭐ Review *by J***Z on 24 April 2019* Llego en la fecha comprometida. Aparte traia un pequeño detalle, que es de agradecer, con unas chuches para el rey de la casa, para que el "trago" de la desparasitazación sea más dulce. ## Frequently Bought Together - K9 Advantix II Medium Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 11-20 lbs. | 4-Mo Supply - K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 4-Mo Supply - K9 Advantix II Large Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 21 - 55 lbs. | 4-Mo Supply --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pe/products/287176093-bayer-k9-advantix-ii-flea-tick-and-mosquito-prevention-medium](https://www.desertcart.pe/products/287176093-bayer-k9-advantix-ii-flea-tick-and-mosquito-prevention-medium) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-04-22*