The Supermama Lab Clear Flange Inserts are designed to enhance the comfort and efficiency of your AirPlus breast pump experience. These inserts come in three sizes—17mm, 19mm, and 21mm—allowing you to choose the perfect fit to avoid discomfort from larger, ill-fitting flanges and ensure optimal milk expression. They are easy to insert and fit into the provided 24mm Extended & 27mm flanges. Made from medical-grade silicone, these flange inserts are hygienic and specifically compatible with the Supermama Lab Air Plus Breast Pump, making them a practical choice for mamas looking to improve their pumping sessions.