Dr. Brown's Natural Flow Reusable Baby Bottle Vent System and Reservoir Cleaning Bristle Brush, 4-Pack

Those little vent pieces used to drive me crazy trying to dry them out properly, but these bristles reach right into the narrow slots and clear out the dried milk residue without any fuss. The brush head is compact enough to get the reservoir corners spotless, and the four-pack means I always have a

Finally got a set for all the bottles we rotate through, and the bristle stiffness is just right for scrubbing without mangling the silicone. The narrow tip clears the vent system’s tiny crevices in one pass, which used to take me forever with a sponge.

The narrow brush reaches deep into those tiny vent pieces that used to drive me crazy with trapped milk film, and the bristles hold their shape after weeks of daily washing. Dried formula comes off without me having to soak everything first.