Eyenimal Deluxe Spray No Bark Dog Collar Refill. This spray works as a refill for your Eyenimal Deluxe Spray No Bark Dog Collar, allowing you to keep up your dog’s training even when the old scent runs out. Though harmless, the scent is unpleasant to your pooch and was designed to stop barking and with conditioning, eventually break the habit all together. Key Features: Use as a refill to continually stop your pet’s annoying habit. Designed to work with the Eyenimal Deluxe Spray No Bark Dog Collar. Available in lavender, lemon or unscented. The refill is easy to install into your collar. Helps to safely stop excessive barking.