Check the listing for details. TheraPetMD Advanced Dog Calming Diffuser Kit 1 Diffuser + 2 Refills 30 Day New. Condition: New. Listed at 26.99 USD. TheraPetMD Advanced Dog Calming Diffuser Kit 1 Diffuser + 2 Refills 30 Day Supply New Sealed Brand: TheraPetMD Product: Advanced Dog Calming Diffuser Kit Includes: 1 Plug-in Diffuser, 2 Refills (48ml total) Coverage: Up to 700 sq ft Duration: 30 Day Supply Technology: New Pheromone Technology Benefits: Reduces excessive scratching, barking, urine marking, furniture destruction, licking, and hiding Safety: Veterinary Recommended, Drug-Free, Odor-Free, Safe for Humans & Pets Power: 110-120v AC only UPC: 860011247982 Keywords: Pheromones, Anxiety Relief, Pet Behavior, Stress Reduction, Puppy Training, Home Fragrance, Veterinary Grade, Calming Aid, Dog Health, Soothing, Anti-Barking, Non-Toxic, Plug-In, Refillable