eufy Security Original 24mm Flange 2-Pack for E20/S1/S1 Pro – HeatFlow Silicone Replacement

Overview

Refresh your wearable breast pump experience with the eufy Original 24mm Flange 2-Pack. Designed for the E20, S1, and S1 Pro models, these flanges blend warmth, comfort, and dependable suction to support your pumping routine with a calm, ergonomic fit.

HeatFlow warmth for a gentler pumping experience

HeatFlow technology delivers a gentle warmth during sessions, creating a soothing ambiance that may help you settle into a comfortable rhythm. While warmth is not a guarantee of outcomes, many users report a more relaxed pumping feel when using these flanges.

Soft silicone and a reliable seal

Made from food grade silicone, the 24 mm flange remains durable yet supple, helping maintain a steady seal and consistent suction for longer pumping sessions without harsh pressure points.

Ergonomic, comfy fit

The design emphasizes an ergonomic shape that aligns with natural contours, aiming to reduce discomfort and support a more pleasant pumping experience across daily use.

Easy to clean and versatile

• Wash with warm, soapy water and rinse well after each use.
• Dishwasher, fridge, and freezer safe for quick cleanup and storage.
• Compatible with inserts from both eufy and other brands for flexible kit options.

Care, warranty, and lifespan

eufy offers a 90 day limited manufacturer warranty on these accessories. Typical lifespan is about 3 months, with replacement advised if suction or performance declines with use or over time.

Real world use cases

Whether you are juggling a busy morning routine, pumping during travel, or winding down after work, the warmth, gentle seal, and ergonomic fit can contribute to a calmer, more manageable pumping session. The ability to clean quickly and switch between inserts adds practical convenience for daily use.

What you get

• 2 x 24 mm replacement flanges for E20 S1 S1 Pro
• HeatFlow warming feature for comfort
• Food grade silicone material for safety and durability