Calling all pumping mamas! If you're using a Spectra breast pump, this replacement parts kit is an absolute must-have for keeping your pumping sessions comfortable and efficient. The 24mm flanges are compatible with Spectra S1, S2, 9 Plus, Synergy Gold, Motif Luna, and Ameda Mya breast pumps - they also work with most wide-mouth bottles like Spectra, Avent, and other popular brands. What's great is that these flanges are designed for improved comfort and fit, which makes those long pumping sessions so much more bearable. They're made from completely BPA-free, food-grade materials that are safe for both you and your baby. Cleaning is super easy too - they're dishwasher safe, can be boiled, or used with microwave steam bags and steam sterilizers. The kit comes with everything you need including flanges, valves, tubing, backflow protectors, and inserts. Having multiple size options available (19mm, 21mm, and 24mm) means you can find the perfect fit for optimal milk flow and comfort. As any experienced pumping mom knows, having fresh, well-fitting parts makes a huge difference in both comfort and milk output. This complete replacement set ensures your pump is always running at peak performance without having to buy a whole new pump. If you're tired of worn-out parts affecting your pumping routine or just want to have backups on hand, this replacement kit is absolutely essential. It's one of those purchases that makes the whole breastfeeding journey so much smoother and more comfortable!