These replacement Cleaning Brushes are 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. These Cleaning Brushes help keep the Dr. Brown's Vent Inserts and Vent Reservoirs clean and clear of blockage so the patented internal venting system functions properly. The multi-purpose, lightweight brush easily maneuvers through all Dr. Brown’s bottle components.

• 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 
• 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