Quick Instruction Guide

How to Properly Test Your One-Way Valves

Download a Printable PDF

➞ In Spanish
    1. Make sure your bottles are properly assembled with Silicone Cushions in place and connect the bottles to the pump.
    1. Unscrew both Collection Bottles and their Adapters, exposing the One-Way Valves.
    1. Place each Breastshield Body facedown on a table or countertop with a smooth surface.
    1. Press down on each Breastshield Body to ensure an air-tight seal on the surface.
    1. Turn your electric pump on.
    1. Adjust the suction level to the highest setting.
  • The One-Way Valve will scrunch in on itself.

  • The One-way Valve will scrunch but then flatten immediately or not scrunch at all.

    1. Observe the movement of the One-Way Valve.