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Seresto Flea & Tick Collar for Large Dogs over 18 lbs (over 8 kg) - 1 Collar (UK Packaging) | Sierra Pet Meds
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Seresto Large Dog Vet-Recommended 8-Month Flea & Tick Prevention Collar, 18+ lbs, 2 pack - Walmart.com
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Hartz UltraGuard Pro Reflective Flea & Tick Collar for Dogs and Puppies, 7 Months Protection, 1ct - Walmart.com
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