Our best-selling pump, powered by innovative ComfortFlow™ technology for more milk. Customizable, hospital-grade suction, app-controlled, and ranked #1 Wearable Breast Pump by Babylist, this top seller is perfect for multitasking moms. Includes 5 oz SplashGuard™ containers & 21,24mm flanges. Comes with set of free sizing inserts 15-19mm