Willow: Wearable Breast Pump – Willow Pump

Willow Wave Valves Set (4-pack)

Willow Wave Valves Set (4-pack) - Main image
$7.5 $14.99 In stock

Category: Accessories

Replacing Your Parts

For optimal output, replace every 90 days (or when you notice discomfort or signs of wear).

How long does breast milk last?

How to thaw & warm safely

How to store breast milk on-the-go

Before you pay

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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If you need a refund

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Please contact us for the refund processing timeframe before returning an item.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Grace ★★★★★

The 90-day replacement reminder is spot on, because after two months of daily pumping these still feel like new and suction is strong. I swapped them out at the mark anyway and noticed a smoother, quieter session right away.

Zoe T. ★★★★★

Three months in and these valves are still holding their seal perfectly, so I’m only now swapping them out as the 90-day guideline suggests. The pack of four means I’ve got backups ready for the next cycle, which takes the stress out of middle-of-the-night pump sessions.

Benjamin G. ★★★★★

I set a reminder on my phone for the 90-day swap, and the four-pack means I’m covered for a full year without scrambling. The valves fit snugly and I noticed the suction feels more consistent right after replacing the old worn ones.