Pump directly into your Evenflo Feeding Balance + Wide Bottles with the Evenflo Feeding Balance + Pump Adapters. These adapters will help you save time and avoid messy transfer spills. The Balance + Pump Adapters are compatible with all Evenflo Feeding Advanced Breast Pumps and most other standard neck breast pump brands. Simply screw the adapter into your pump flange base, attach your Balance + Wide Bottle, and begin pumping. The adapters are free of BPA, polycarbonates, PVC and phthalates, and they are made of FDA-approved food grade material..