Cat Inhaler Spacer,Specifically Designed for Cats,with Round Shape Silicone Mask,Feline Aerosol Chamber with Breathing Indicator – Include 2 Mask for Best Fit (for cat)Brand: free space Color: for cat Features: FITS ALL CATS comes with one chamber and two different sized masks to ensure optimal fit for your cat,a small mask for cats weighing 10lbs or less, a large mask for cats > 10lbs BREATHING INDICATOR The Breathing Indicator will help to ensure the delivery of the medication to your cat by indicating your cats breathing, this will in turn help you optimize the delivery of medication for your cat DESIGNED FOR