Skip to content

Mother's Nature™ Replacement Diaphragms

Maintain peak pump performance and hygiene with genuine Mother’s Nature™ H1 Replacement Diaphragms. Designed to support consistent suction and a closed-system barrier, these essential parts help ensure safe, effective milk expression session after session.

$9.99

1
  • FSA / HSA eligible
  • Free shipping over $30
  • 30-day money back

From the learning center: Your first week with the Mother's Nature™ H1

Details
  • Compatible with the Mother’s Nature™ H1 Hospital-Grade Breast Pump & Mother’s Nature™.
  • Secures and protects the diaphragm within the breast shield system.
  • Helps maintain consistent suction and overall pump performance.
  • Supports closed-system hygiene by keeping air pathways protected.
  • Ensures a secure seal to prevent loss of suction during use.
  • Durable design for repeated daily use.
  • Replace if cracked, loose, or worn to maintain optimal performance.
  • Made from BPA-free, food-grade materials safe for mom and baby.
In the Box
  • (2) Mother's Nature™ H1 Diaphragms
Specifications
Compatible with
Mother's Nature™ H1 and Mother's Nature™ Replacement Breast Shield Kit
Material
BPA-free, food-grade silicone
Quantity
2
Care
Wash in warm, soapy water after each use; air dry fully before reassembling
SKU
MN-HZ-D-2
UPC
850066890707
Shipping and Returns

Orders placed before 2 pm ET ship the same business day. Standard delivery arrives in 3–7 business days, free over $30, with free 2-day expedited shipping over $150.

30-day money back: the terms are in our returns policy.

Good to know

FAQs

How often should I replace the diaphragm on my Mother's Nature™ H1?

We recommend replacing the diaphragm every 1–3 months, or sooner if you notice reduced suction.

What are the signs my H1 diaphragm needs replacing?

The diaphragm plays a critical role in pump performance. Over time, it can stretch, crack, or lose its seal, which can reduce pumping efficiency. Regularly replacing the diaphragm helps maintain consistent suction and pump hygiene.

For pump, sizing, or parts questions, call The Mom Line™ at 1-888-662-7159 from 9 AM to 5 PM ET, Monday to Friday, or send us a message any time.