PDFans Duckbill Valve & Silicone Diaphragm 6pcs for MomMed/TSRETE S21/S18/S19

Overview

If you rely on a wearable breast pump, keeping seals, valves, and diaphragms in good condition matters for consistent suction and smooth operation. This PDFans replacement bundle brings fresh components to your routine: 4 duckbill valves and 2 silicone diaphragms, plus a compact storage case for convenient on-the-go hygiene. Replacing these parts every 4–12 weeks may help maintain steady suction and keep your pump performing at its best.

What’s in the bundle

• 4 x duckbill valves
• 2 x silicone diaphragms
• Storage case for clean organization while traveling or between uses

Key features and benefits

• Backflow prevention: The duckbill valve helps reduce backflow and keeps milk from leaking into the pump.
• Food-grade, BPA-free silicone: Soft, odorless material that’s safe for frequent contact during pumping.
• Broad compatibility: Designed to work with a range of wearable pumps, including MomMed S21, TSRETE S21, S18, MISSAA S18, Zooawa, Mumeasy, Mumgaroo, and more.
• Easy to clean: Sanitize with steam, boiling water, or microwave-steam bags after use, at about 100°C (212°F).
• Hygienic storage: The included case helps keep parts organized and clean between sessions.

Usage and care

Inspect parts for deformation or discoloration; replace when needed to maintain performance. If you’re unsure about compatibility, you can send a photo of your pump model, and we’ll respond with guidance within 24 hours.

Practical uses

Whether you’re pumping at home, at work, or on the go, a fresh valve and diaphragm set can support a smoother experience. The soft silicone and careful design aim to provide a comfortable seal while you express.

Gift-ready option

This replacement set doubles as a thoughtful gift for fellow caregivers who use wearable pumps, helping them keep their routine simple and clean.