Eufy Breastpump Sizing Insert 2pcs

Customize the flange opening on a compatible eufy wearable breast pump with this sizing-insert pair. The food-grade silicone inserts fit E10, E20, S1 and S1 Pro according to the PH source. Select the appropriate size and follow the pump fitting and care instructions; this is an insert set, not a full flange.

Compatibility: eufy Breast Pump E10 / E20 / S1 / S1 Pro

Insert Size: 19mm

Material: Food-grade silicone

Pack Size: 2 pieces

Dimensions: 12.5 × 5.2 × 3.3 cm

Weight: 0.020 kg

Expected Lifespan: ~3 months; replace every 1–2 months as fit needs change

Warranty: 90-day limited manufacturer's warranty

Fits eufy Breast Pump E10, E20, S1, and S1 Pro
Designed to work with eufy flanges

Sizing needs can change across breastfeeding stages — for persistent discomfort, consult a lactation consultant rather than adjusting based on guesswork.