The 5 1/2oz. cooling element is used with the older model Pump In Style Original Professional Breastpump, the DoubleEase breast pump, and all Cooler Carrier Bags. (Not for use with the Traveler, Companion, or DayCarrier.)
How do you know if you have a Pump In Style Original Professional Model Breastpump? The breastpump will have the name Pump In Style printed in black ink across the top of the faceplate. If it reads Pump In Style Advanced you do not have the Original Professional and should go the the to purchase parts.
We have everything you need for your Model A water pump, from individual parts to entire kits. We are proud to offer both parts for your original pump, as well as parts to convert to a modern pump system. Plus, we provide the grease, tools, and adapters to fit your unique restoration situation. Find exactly what you need for your Model A water pump below.