Nenesupply 21mm Flange Pump Parts for Medela Pump In Style Advanced – 2 Breastshields, Valves, Membranes, Tubes

Designed to support your Medela Pump In Style Advanced routine

Keep your pumping routine smooth with this compatible parts kit from NENESUPPLY. The set is not original Medela parts, but it’s engineered to work with the Medela Pump In Style Advanced system released after July 2006. The tubing includes an adapter on one end and a soft end on the other for flexible setup, helping you personalize fit and comfort while preserving a familiar pumping workflow.

What’s included

• 2 small 21mm breastshields
• 2 valves
• 4 membranes
• 2 tubes

The items arrive in retail packaging, sealed by the manufacturer, providing a convenient, ready-to-use replacement kit for ongoing maintenance or occasional parts swaps.

How it fits with your pump

Because this kit targets the Pump In Style Advanced family, you’ll find the 21mm flange size suitable for a range of pumping needs. The tubing comes with an adapter on one end and a soft end on the other, facilitating an easy swap for different setups. Bottles are not included, and the kit is compatible with most narrow-mouth bottles. A six-size breastshield variety is available to help you identify a comfortable match—check the size chart in the product photos to pick the best fit.

Safety and materials

Parts are BPA-free and meet EU regulations for materials that contact food. Independent lab testing supports safety-focused quality, giving you confidence to replace worn pieces as needed without compromising everyday use.

Practical benefits and use cases

• Compact, retail-pack replacement for quick maintenance between sessions
• Not original Medela parts, yet designed for compatibility with Medela PIS Advanced systems
• 21mm breastshield option supports a comfortable pumping posture for many users
• Adapter-enabled tubing offers flexible setup with different bottle types
• Six breastshield sizes available to tailor fit and comfort across sessions

These notes reflect the data provided about compatibility, sizing options, and safety features—the kit presents a practical option for periodic part refreshes and routine maintenance without asserting guaranteed outcomes.