Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Kit

In this review of the Maymom Pump Parts compatible kit, the bottom line is simple: this is a practical replacement set for parents who need wide mouth Spectra-compatible parts and travel-friendly bottles. The kit includes 21mm flanges, duckbill valves, backflow protectors, tubing and two wide mouth bottles with one-piece travel caps, so it replaces most worn pump components in one purchase. It is best for people who already use a Spectra S2, S1 or Spectra 9 Plus and want an economical, well inspected alternative to OEM parts.

Key Features

• Complete replacement set: The kit supplies 2 flanges, 2 duckbill valves, 2 backflow protectors, 2 tubes and 2 bottles so several common pump wear points are refreshed at once.
• 21mm flange included: The 21mm flange lets users replace a specific wide mouth size to match their existing Spectra standards when that size fits well.
• Travel friendly bottles: One-piece travel caps with sealing rings provide a secure seal for milk or formula storage while on the go.
• Compatibility and suction: Parts are designed to be compatible and interchangeable with Spectra S2, Spectra S1 and Spectra 9 Plus pumps and claim the same suction power as OEM parts.
• Food safe and tested: Materials comply with FDA and EU food contact regulations and the product is inspected and registered with relevant health authorities.

Who It's For

This kit is ideal for parents who already own a Spectra S2, Spectra S1 or Spectra 9 Plus and need an affordable replacement for worn flanges, valves and tubing or want spare travel bottles. It suits users who prefer wide mouth bottle convenience and value parts that are BPA-free and lab tested for food contact safety.

Shoppers who need a different flange size should look at other Maymom options before buying, since this listing specifically includes 21mm flanges that will not fit everyone. Those seeking original manufacturer parts or nipple and dome cap bundles should choose a different listing, as nipples and dome caps are not included in this kit.

Pros & Cons

Pros

• Well rounded kit that replaces multiple common pump parts in a single purchase.
• Wide mouth bottles with one-piece caps are convenient for travel and storage.
• Compatible with common Spectra pump models and designed to match OEM suction.
• Materials are BPA-free and covered by regulatory inspections and test reports.

Cons

• 21mm flanges are not universal; buyers must confirm fit before purchase.
• Some customers report mixed experiences with durability and occasional leakage under heavy use.

Specifications

Brand	Maymom
Compatible models	Spectra S2, Spectra S1, Spectra 9 Plus
Kit contents	2 flanges (21mm), 2 duckbill valves, 2 backflow protectors, 2 tubes, 2 bottles with one-piece caps
Flange sizes available	Multiple sizes from 13mm to 32mm, this kit includes 21mm
Materials	BPA-free plastic, compliant with FDA/EU food contact rules
Certifications	US FDA registered device, Health Canada license, Australian health ID

Our Verdict

The Maymom replacement kit is a sensible value for Spectra S2, S1 and Spectra 9 Plus owners who need a complete set of wide mouth replacement parts and travel bottles. It combines tested, food-safe materials with practical packaging and good compatibility, but buyers must confirm the 21mm flange fits their anatomy and be aware that durability experiences vary. For most parents seeking economical, interchangeable parts, it represents good value.

Frequently Asked Questions

Are these parts fully compatible with my Spectra pump?
Yes, the kit is designed to be compatible and interchangeable with Spectra S2, Spectra S1 and Spectra 9 Plus models.

Do the bottles include nipples or dome caps?
No, the bottles come with one-piece travel caps and sealing rings only; nipples and dome caps are not included.

What if the 21mm flange does not fit?
Maymom offers multiple flange sizes; check the size guidance in the product listing and select a different size if 21mm is not suitable.