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Backup Pump Parts

Whether you need a backup set of parts for less cleaning or you're looking for a 90-day replacement set, we've got you covered. Find backup parts for Willow Go, 360, Sync and Wave. Save 25% with code WOMENSDAY

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Willow Sync Diaphragm Set (2-pack)
New
HSA/FSA
25% OFF

Willow Sync Diaphragm Set (2-pack)

Made of food-grade silicone, our diaphragm creates suction and prevents milk backflow into the pump.
$16.99
Willow Sync Backup Parts Set
New
HSA/FSA

Willow Sync Backup Parts Set

Swap out your Willow Sync pump parts every 90 days to ensure maximum efficiency or get a backup set for less cleaning with this bundle.
$112.95
Willow Sizing Insert Set (2-pack)
HSA/FSA
25% OFF

Willow Sizing Insert Set (2-pack)

Our silicone sizing inserts help to optimize output for moms who measure between 13 mm and 27 mm.
$19.99

DISCOVER WILLOW GO

#1 in comfort.

For mom's first priority.

MEET WILLOW WAVE

A manual pump

for today's mom.

Pumping, revolutionized

Before Willow, an efficient, empowering, comfortable & convenient pumping solution didn’t exist. So we created one.

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Pump Quiz

Why buy direct from Willow?

Free Shipping

Free shipping on all pump orders - delivering pumping freedom to your front door!

Exclusive Savings

Save on pumps with insurance, HSA/FSA or installments starting at just $29.*

Superior Care

Willow ranks #1 in customer satisfaction, the highest rating for any breast pump brand.*

2-Year Warranty

Get peace of mind with a 2-year protection plan on your pump, only available here.

Learn from our experts

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Seven Must-Haves to Pack in Your Pumping Bag

Seven Must-Haves to Pack in Your Pumping Bag

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Breastfeeding & pumping
Introducing the Glass Breast Milk Pitcher

Introducing the Glass Breast Milk Pitcher

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Breastfeeding & pumping
Comparing Passive Pumps & Catch Cups: Which is Right for You?

Comparing Passive Pumps & Catch Cups: Which is Right for You?

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Breastfeeding & pumping
Tips from an LC: How to Optimize Your Milk Supply When Pumping

Tips from an LC: How to Optimize Your Milk Supply When Pumping

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Breastfeeding & pumping
Willow Launches New Pumping and Feeding Accessories to Expand Support to Breastfeeding Mothers

Willow Launches New Pumping and Feeding Accessories to Expand Support to Breastfeeding Mothers

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To our military moms and our first responders. To moms working in medical, education, and government. Thank you.

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Up to 40% Off Accessories