- Vent inserts are exclusive for the standard 4-ounce and 8-ounce Dr. Brown’s natural flow baby bottles
- They are meant to replace worn or lost inserts
- These vent inserts are an integral part of the Dr. Brown’s patented internal venting system
- Top rack, dishwasher safe
Standard Vent Inserts 6-Pack Fits Standard 2-oz, 4-oz and 8-oz Replacement Parts Exclusively for Dr. Brown’s Natural Flow?® baby bottles