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Amazon.com : Natural Flea & Tick Collar for Dogs - 6 Months Control of Best Prevention & Safe Treatment - Anti Fleas and Ticks Essential Oil Repellent (2 Count (Pack of 1)) : Pet Supplies
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HARTZ UltraGuard Pro Reflecting Flea & Tick Collar for Dogs & Puppies, 1 Collar (7-mos. supply) - Chewy.com
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SOBAKEN Natural Flea and Tick Prevention Collar for Large, Medium and Small Dogs, 25 inch, Waterproof, 8 Month Protection - 1 Pack - SOBAKEN
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Amazon.com: Seresto Small Dog Vet-Recommended Flea & Tick Treatment & Prevention Collar for Dogs Under 18 lbs. | 8 Months
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