Adaptil Calming Pheromone Collar for Medium Large Dogs. Max Adjustable Neck Size 24.5 Inch : Amazon.ca: Pet Supplies
ADAPTIL Collar for Small Dogs – Calms & Comforts Dogs - Use These Collars by ADAPTIL for Dogs During Training, Boarding, Loud Noises and Fears Outdoors (Small Dog Calming Collar, 1-Pack) :
ADAPTIL® Collar / Products list / Products / Ceva Australia
HOW TO USE the ADAPTIL Junior Collar for Puppies - YouTube