eufy Duckbill Valves (4-Pack) for Wearable Breast Pump E10/S1/S1 Pro

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Compatibility: This duckbill valve is compatible with eufy Breast Pump E10 / S1 / S1 Pro.

Closed, Anti-Blackflow Design: Designed to prevent backflow of breast milk, ensuring efficient milk collection at the bottom of the container. The valve stays closed when not pumping, reducing the risk of loss.

Food-Grade Silicone: Made from durable, BPA-free, food-grade silicone, this valve is soft, odorless, and skin-friendly for both mother and baby. The snug fit offers comfort and efficient pumping.

Easy to Clean: Wash with warm, soapy water and rinse well after each use. For deep cleaning, use boiling water or steam at no more than 100℃ (212℉) for 5-10 minutes. Avoid hard brushes; use fingertips instead.

Guaranteed Reliability: eufy breast pump accessories come with a 90-day limited manufacturer's warranty.

Lifespan: Typically lasts 1-3 months. Replace if suction and performance decrease with regular use and sterilization, or based on your usage.