Mira Pet Single Brush Head (2 Pack) OriginalMirapet Single Brush Heads The toothbrush for small dogs and cat's This package contains 2x Single Replacement Brush Heads. The Single Brush Head is effective for small to medium sized dogs Always wash under warm water with Ultrasound turned on for 10 seconds or rinse with Chlorhexidine Solution. Always ensure your brush heads are cleaned after each use and stored away dry and not wet. Replace heads every 3 6 months or as they show signs of ware. Mira