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The PetArmor Extend collar is an over-the-counter flea and tick collar for dogs over 18 lbs. It uses imidacloprid and flumethrin, the same active ingredients as Seresto, released slowly into the skin and coat for up to eight months of contact-killing protection. It also targets flea larvae to help break the flea life cycle, and it is odorless and non-greasy. It suits owners who want long-lasting, water-resistant protection without a prescription, and it competes with Seresto mainly on the same chemistry at a lower cost rather than on extra features.
In stockSold by Petco Animal Supplies, Inc.Returns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Rated 4.5 out of 5 from 401 ratings, the collar is generally well received by owners who want long-lasting flea and tick control without a prescription. Many compare it favorably with Seresto on the strength of the shared active ingredients.
The PetArmor Extend Flea & Tick Collar is for dogs above 18 lbs. It protects a dog for up to eight continuous months and does not require a prescription. It kills and repels fleas, ticks, and lice on contact, so they don't have to bite the dog to die.
The collar starts working 24 hours after the first application. New fleas are killed within two hours, and protection against new ticks starts at 48 hours. It also targets flea larvae, which helps break the flea life cycle.
The active ingredients are imidacloprid and flumethrin. They release slowly from the collar and spread into the dog's skin and coat, providing water-resistant protection. The formula is odorless and non-greasy, and it leaves no chemical smell or residue.




