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

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.Some assembly may be required. Please see product details.

Product Features:

• Designed to use with all Dr. Brown′s natural flow baby bottles
• Top rack, dishwasher-safe
• Helps keep Dr. Brown′s Vent Inserts and Vent Reservoirs clean and clear of blockage so the patented internal venting system functions properly
• Wash with warm soap water before using