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Amazon.com : SENTRY Calming Collar for Cats, Up to 15-Inch Neck, Includes Three Cat Calming Collars, Lavender Chamomile Fragrance : Pet Relaxants : Pet Supplies
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Amazon.com : SENTRY PET CARE Sentry Calming Collar for Dogs, Anxiety Reducing Pheromone Collar, Releases Pheromones for 30 Days, Helps Calm During Loud Noises and Separation, 1 Count : Pet Supplies
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Amazon.com : SENTRY PET CARE Sentry Calming Collar for Cats, Long-Lasting Pheromone Collar Helps Calm Cats for 30 Days, Reduces Stress, Helps Calm Cats from Anxiety, Loud Noises, and Separation, 3 Count :
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Amazon.com : Royce Naturals 4 Pack Calming Collar for Dogs, Dog Anxiety Relief, Pheromone Dog Calming Collars, Breakaway Dog Collar, Dog Calm Collar, Separation Anxiety Relief for Dogs : Pet Supplies
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