Many pumping moms feel a reduction of suction power during the lifetime of their breast pump, due to damaged, old. or worn-out pump parts. Your pumping routine should include regularly replacing pump parts. Use this replacement breast shield kit for your Fit wearable breast pump which  provides all the essential parts that you need to pump. Properly assembling your kit is essential to get the ideal performance while pumping. Zomee pumps, parts, and all accessories are BPA-Free, made from 100% food-grade silicone, and are manufactured in FDA compliant facilities.