---
product_id: 450964910
title: "17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Not Original Spectra S2 Replacement Pump Parts Flange Duckbill Valve"
brand: "maymom"
price: "151.15 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Maymom"
url: https://www.desertcart.tn/products/450964910-17mm-flange-and-duckbill-valve-compatible-with-spectra-s1-s2
store_origin: TN
region: Tunisia
---

# 17mm precision flange size Compatible with Spectra S1, S2, 9 Plus BPA/DEHP free, FDA compliant 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Not Original Spectra S2 Replacement Pump Parts Flange Duckbill Valve

**Brand:** maymom
**Price:** 151.15 DT
**Availability:** ✅ In Stock

## Summary

> 🍼 Upgrade your pump game with Maymom – because your comfort and supply deserve the best!

## Quick Answers

- **What is this?** 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Not Original Spectra S2 Replacement Pump Parts Flange Duckbill Valve by maymom
- **How much does it cost?** 151.15 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/450964910-17mm-flange-and-duckbill-valve-compatible-with-spectra-s1-s2)

## Best For

- maymom enthusiasts

## Why This Product

- Trusted maymom brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safe & Certified:** BPA/DEHP free and FDA compliant, tested independently for your peace of mind.
- • **Seamless Compatibility:** Works flawlessly with Spectra S1, S2, and 9 Plus pumps—no guesswork, just plug & play.
- • **Durable & Easy Maintenance:** High-quality silicone valves and flanges withstand dishwasher, boiling, and steam cleaning.
- • **Enhanced Pumping Efficiency:** Precision design helps improve milk flow and supply, turning every session into a power boost.
- • **Perfect Fit, Maximum Comfort:** 17mm flange engineered for optimal suction and comfort, reducing pumping fatigue.

## Overview

Maymom’s 17mm flange and duckbill valve set offers a premium, compatible replacement for Spectra S1, S2, and 9 Plus breast pumps. Crafted from durable, FDA-compliant materials, these parts ensure optimal suction, comfort, and hygiene. Designed for easy installation and cleaning, they help enhance milk flow and pumping efficiency, making them a trusted choice for modern breastfeeding moms.

## Description

desertcart.com : Maymom 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Not Original Spectra S2 Replacement Pump Parts Flange Duckbill Valve : Baby

Review: Best replacement parts for my Spectra S2 - These replacement parts for my Spectra S2 were exactly what I needed! The set comes with clear instructions and images, which made swapping everything out super simple, even for someone like me who usually finds pump parts confusing. I especially appreciated the QR codes included; they linked directly to step-by-step instructions and even to individual replacement parts if I ever need to reorder just one piece. The parts themselves feel durable and well-made, and they fit my S2 perfectly without any issues. Everything works smoothly and has held up well after multiple uses and washes. It’s such a relief to have a compatible, high-quality option that makes pumping easier and less stressful. Highly recommend for any Spectra S2 user who wants reliable replacement parts without the guesswork!
Review: Game Changer! - Had a struggling supply and learned that wrong flange size can make pumping be uncomfortable with poor output. Decided to size up and perfect fit. Worked great with my spectra and my supply improved significantly. Wouldn't say it was only because of the flange upgrade but definitely a step in the right direction. Went from 1 ounce sessions to maxed out bottles.

## Features

- CONTENTS: 2x extra small 17mm flanges and 2x duckbill valves Compatible with Spectra S2, Spectra S1 and Spectra 9 Plus breastpump. Made by Maymom. Not Original Spectra Flanges, Spectra Duckbill Valve. Not for every mother. Talk to your lactation consultant before purchasing.
- COMPATIBLE AND INTERCHANGEABLE with Spectra pump parts. Maymom pump parts perform the same suction power as OEM parts, Spectra S2 pump parts, Spectra S1Plus accessories.
- MAYMOM DUCKBILL VALVES features "easier to plug in and remove", "durable quality" and "color options"
- MAYMOM FLANGE can work with Spectra wide-neck bottle (wide-mouth bottle), Compatible with Avent bottle, and Maymom widemouth bottle. Available Flange sizes:13mm, 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 29mm, 30mm, 32mm.
- BPA/DEHP FREE. FDA compliant for food contacts. Tested by independent lab. Test report online available for reference. Products in retail pack sealed by manufacturer; NO problem with dishwasher top rack, water steam cleaning, boiling water or microwave-steam bags.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B4RC1HF3 |
| Additional Features | Closed System |
| Best Sellers Rank | #440 in Baby ( See Top 100 in Baby ) #33 in Breastfeeding Supplies |
| Brand | Maymom |
| Brand Name | Maymom |
| Color | White Valve |
| Customer Reviews | 4.6 out of 5 stars 6,049 Reviews |
| Included Components | Bottle, Breast Flange, Valve |
| Item Weight | 0.08 kg |
| Manufacturer | Maymom |
| Manufacturer Part Number | S012W-FxxDx2 |
| Material | Plastic, Silicone |
| Material Type | Plastic, Silicone |
| Model Name | spectra |
| Model Number | S012W-F17Dx2.pc |
| Size | 17 mm Flanges |
| Special Feature | Closed System |
| Unit Count | 2 Count |

## Product Details

- **Brand:** Maymom
- **Included Components:** Bottle, Breast Flange, Valve
- **Material:** Plastic, Silicone
- **Model Name:** spectra
- **Special Feature:** Closed System

## Images

![17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Not Original Spectra S2 Replacement Pump Parts Flange Duckbill Valve - Image 1](https://m.media-amazon.com/images/I/51wssK753cL.jpg)

## Available Options

This product comes in different **Pattern, Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best replacement parts for my Spectra S2
*by C***R on August 29, 2025*

These replacement parts for my Spectra S2 were exactly what I needed! The set comes with clear instructions and images, which made swapping everything out super simple, even for someone like me who usually finds pump parts confusing. I especially appreciated the QR codes included; they linked directly to step-by-step instructions and even to individual replacement parts if I ever need to reorder just one piece. The parts themselves feel durable and well-made, and they fit my S2 perfectly without any issues. Everything works smoothly and has held up well after multiple uses and washes. It’s such a relief to have a compatible, high-quality option that makes pumping easier and less stressful. Highly recommend for any Spectra S2 user who wants reliable replacement parts without the guesswork!

### ⭐⭐⭐⭐⭐ Game Changer!
*by D***O on May 20, 2026*

Had a struggling supply and learned that wrong flange size can make pumping be uncomfortable with poor output. Decided to size up and perfect fit. Worked great with my spectra and my supply improved significantly. Wouldn't say it was only because of the flange upgrade but definitely a step in the right direction. Went from 1 ounce sessions to maxed out bottles.

### ⭐⭐⭐⭐⭐ Great to have!
*by F***L on July 16, 2026*

These fit my spectra pump perfectly ♥️

## Frequently Bought Together

- Maymom 17mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve
- Spectra - Wide Neck Baby Bottles - Compatible with Spectra Breast Milk Pump Flanges (Pack of 2)
- Momcozy Hands Free Pumping Bra, Adjustable Breast-Pumps Holding and Nursing Bra, Pumping & Nursing Bra in One

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**Shop now:** [https://www.desertcart.tn/products/450964910-17mm-flange-and-duckbill-valve-compatible-with-spectra-s1-s2](https://www.desertcart.tn/products/450964910-17mm-flange-and-duckbill-valve-compatible-with-spectra-s1-s2)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-18*