---
product_id: 523208342
title: "S9 Pro / S12 Pro / S9 / S12 Duckbill Valve Silicone Diaphragm, Compatible with momcozy Breastpump, Replacement Parts Accessories"
brand: "tovvild"
price: "฿1103"
currency: THB
in_stock: true
reviews_count: 13
category: "Tovvild"
url: https://www.desertcart.co.th/products/523208342-s9-pro-s12-pro-s9-s12-duckbill-valve-silicone-diaphragm
store_origin: TH
region: Thailand
---

# Replace every 2-3 months BPA-free food-grade silicone Easy to clean & dishwasher safe S9 Pro / S12 Pro / S9 / S12 Duckbill Valve Silicone Diaphragm, Compatible with momcozy Breastpump, Replacement Parts Accessories

**Brand:** tovvild
**Price:** ฿1103
**Availability:** ✅ In Stock

## Summary

> 🍼 Upgrade your pump game — because every drop counts!

## Quick Answers

- **What is this?** S9 Pro / S12 Pro / S9 / S12 Duckbill Valve Silicone Diaphragm, Compatible with momcozy Breastpump, Replacement Parts Accessories by tovvild
- **How much does it cost?** ฿1103 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/523208342-s9-pro-s12-pro-s9-s12-duckbill-valve-silicone-diaphragm)

## Best For

- tovvild enthusiasts

## Why This Product

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

## Key Features

- • **Premium Safety:** Crafted from BPA-free, odorless silicone ensuring baby-safe milk collection
- • **Leak-Proof Seal:** Silicone diaphragm maintains airtight seal to prevent milk leakage and maximize efficiency
- • **Optimized Milk Flow:** Duckbill valve design enhances milk drainage, supporting faster, smoother pumping sessions
- • **Effortless Maintenance:** Dishwasher safe and steam sterilizable for hygienic, quick cleaning after every use
- • **Seamless Compatibility:** Perfectly fits Momcozy S9/S12 Pro & S9/S12 pumps for hassle-free replacement

## Overview

TOVVILD replacement diaphragms and duckbill valves are precision-engineered silicone parts compatible with Momcozy S9/S12 Pro and S9/S12 breast pumps. BPA-free and odorless, these 6-piece sets ensure a secure seal to prevent leaks and optimize milk flow. Designed for easy cleaning and durability, they should be replaced every 2-3 months to maintain peak pump performance and hygiene.

## Description

desertcart.com : TOVVILD S9 Pro / S12 Pro / S9 / S12 Duckbill Valve Silicone Diaphragm, Compatible with momcozy Breastpump, Replacement Parts Accessories : Baby

Review: Hallelujah, they fit And aren't insanely priced. - I have the MomCozy S9 pro. These fit perfect!!! Im very happy with the quality and the price as it's been hard to find them on a single mom budget. I will absolutely be ordering more.
Review: Yes perfect for momcozy pumps - These things were life savers for my momcozy pumps!!! It would help my milk flow faster

## Features

- S9/S12/S9 Pro/S12 Pro Pump Parts Replacement - 6 pieces set diaphragms & duckbill valves are suitable for use with momcozy S9/S12/S9 Pro/S12 Pro breast pumps, for TSRETE electric breast pump
- BPA-free, made of food grade silicone,safe,soft and odorless. The pump parts are perfectly meet your requirement when using a wearable breast pump
- Easy washing, you can wash pump parts after each use with warm soapy water and rinse well. Can be washed with steam,boiling water or microwave steam bag
- The diaphragm is used to help the breast pump maintain the seal to avoid the milk leakage. The duckbill valve can be used to drain milk to the bottom of the container
- The breast pump parts can be replaced every 2-3 months or so according to the installation and suction status of the breast pump
- TOVVILD committed to providing high-quality products and services to customers, caring about mother's health and beauty. Any question welcome feel free to email us, we will assist you within 24 hours

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BZ473WMQ |
| Additional Features | Wearable |
| Best Sellers Rank | #1,639 in Baby ( See Top 100 in Baby ) #14 in Electric Breast Pumps |
| Brand Name | TOVVILD |
| Color | S9pro S12pro Parts |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,478) |
| Included Components | Duckbill |
| Is the item dishwasher safe? | Yes |
| Item Weight | 68 Grams |
| Manufacturer | TOVVILD |
| Manufacturer Part Number | Pro-2+4 |
| Material Type | Silicone |
| Material Type Free | BPA Free |
| Model Name | s9 |
| Model Number | Pro-2+4 |
| Number of Items | 6 |
| Operation Mode | Electric |
| UPC | 768479411276 |
| Unit Count | 1.00 Count |

## Product Details

- **Brand:** TOVVILD
- **Included Components:** Duckbill
- **Material:** Silicone
- **Operation Mode:** Electric
- **Special Feature:** Wearable

## Images

![S9 Pro / S12 Pro / S9 / S12 Duckbill Valve Silicone Diaphragm, Compatible with momcozy Breastpump, Replacement Parts Accessories - Image 1](https://m.media-amazon.com/images/I/71uDm3oWQBL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Hallelujah, they fit And aren't insanely priced.
*by J***A on March 17, 2026*

I have the MomCozy S9 pro. These fit perfect!!! Im very happy with the quality and the price as it's been hard to find them on a single mom budget. I will absolutely be ordering more.

### ⭐⭐⭐⭐⭐ Yes perfect for momcozy pumps
*by F***Z on January 20, 2026*

These things were life savers for my momcozy pumps!!! It would help my milk flow faster

### ⭐⭐⭐⭐⭐ Fits my pump well
*by S***H on January 19, 2026*

Unfortunately, my insurance stopped providing me with free pump part replacements. At the time, I was pumping 2 hrs a day and concerned with how much replacement parts would cost. However, these are a great deal for the amount of parts it comes with. They come with a small plastic box to keep them in too which is nice to have.

## Frequently Bought Together

- TOVVILD S9 Pro / S12 Pro / S9 / S12 Duckbill Valve Silicone Diaphragm, Compatible with momcozy Breastpump, Replacement Parts Accessories
- Momcozy Original S9 Pro/S12 Pro Replacement Accessories, Only Compatible with Momcozy S9 Pro/S12 Pro Breast Pump NOT for S9/S12(Duckbill Valves & Silicone Diaphragm,1 Pack)
- Momcozy Flange Insert 21mm Compatible with 24mm Flange/Shield of Most Pumps, Insert for Breast Pump Replacement Accessories, 4PCS 21mm

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**Shop now:** [https://www.desertcart.co.th/products/523208342-s9-pro-s12-pro-s9-s12-duckbill-valve-silicone-diaphragm](https://www.desertcart.co.th/products/523208342-s9-pro-s12-pro-s9-s12-duckbill-valve-silicone-diaphragm)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-06-09*