Halcyon FE Calming Collar for Cats

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Halcyon FE Collar Halcyon contains a unique proprietary pheromone (2M2B) that is clinically proven to be safe and effective in addressing a wide range of behavior issues in cats. F eatures: Promotes Calmness: Helps with separation anxiety, sound anxiety (loud noises), and travel stress. Long-Lasting Effect: Provides continuous support for up to 30 days. Customizable Fit: Fits necks up to 13 inches and can be cut to fit smaller necks. Soothing Lavender Scent: Offers a calming fragrance. Ingredients: 2M2B (proprietary pheromone) Show more