The Dr. Brown Cleaning Brushes are for use with all Dr. Browns Natural Flow baby bottles. These Dr. Brown Cleaning Brushes are the same exact pieces that come with each Dr. Browns Natural Flow baby bottle and are meant to replace worn or lost brushes. These Dr. Brown Cleaning Brushes help keep the Dr. Browns vent inserts and vent reservoirs clean and clear of blockage so the patented internal venting system functions properly.The Dr. Brown Cleaning Brushes come in a pack of 4.

features:

• Designed to use with all Dr. Brown’s natural flow baby bottles
• These are the same exact pieces that come with each Dr. Brown’s natural flow baby bottle meant to replace worn brushes
• keeps Dr. Brown’s Vent Inserts and Vent Reservoirs clean and clear of blockage.
• Top rack, dishwasher-safe
• Designed to use with all Dr. Brown’s natural flow baby bottles
• These are the same exact pieces that come with each Dr. Brown’s natural flow baby bottle and are meant to replace worn or lost brushes
• Helps keep Dr. Brown’s Vent Inserts and Vent Reservoirs clean and clear of blockage so the patented internal venting system functions properly
• Top rack, dishwasher-safe