---
product_id: 657163492
title: "S9/S12 Pro Duckbill Valve Silicone Diaphragm, 12 Pack | Compatible with Momcozy Breastpump Replacement Parts Accessories"
brand: "tovvild"
price: "R454"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Tovvild"
url: https://www.desertcart.co.za/products/657163492-s9-s12-pro-duckbill-valve-silicone-diaphragm-12-pack-compatible
store_origin: ZA
region: South Africa
---

# 12-pack silicone set Easy steam & microwave clean BPA-free & food grade S9/S12 Pro Duckbill Valve Silicone Diaphragm, 12 Pack | Compatible with Momcozy Breastpump Replacement Parts Accessories

**Brand:** tovvild
**Price:** R454
**Availability:** ✅ In Stock

## Summary

> 🍼 Upgrade your pump game with leak-proof, hygienic essentials!

## Quick Answers

- **What is this?** S9/S12 Pro Duckbill Valve Silicone Diaphragm, 12 Pack | Compatible with Momcozy Breastpump Replacement Parts Accessories by tovvild
- **How much does it cost?** R454 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/657163492-s9-s12-pro-duckbill-valve-silicone-diaphragm-12-pack-compatible)

## 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

- • **Bulk Pack Convenience:** 12 durable diaphragms and valves included—stay stocked and never miss a pumping session.
- • **Universal Compatibility:** Perfectly fits Momcozy S9/S12/S9 Pro/S12 Pro and TSRETE electric pumps for hassle-free replacements.
- • **Premium Food-Grade Silicone:** Soft, odorless, and BPA-free materials ensure safety and comfort for you and your baby.
- • **Seamless Milk Flow Assurance:** Precision duckbill valves prevent leaks and maximize milk drainage for uninterrupted pumping.
- • **Hygienic & Effortless Cleaning:** Wash with warm soapy water, steam, boiling water, or microwave steam bags to maintain peak hygiene.

## Overview

This 12-pack of TOVVILD silicone diaphragms and duckbill valves offers BPA-free, food-grade replacements designed for Momcozy S9/S12 Pro and compatible breast pumps. Engineered for leak prevention and easy cleaning, these durable parts ensure consistent performance and hygiene, making them an essential upgrade for busy, health-conscious moms.

## Description

desertcart.com: TOVVILD S9/S12 Pro Duckbill Valve Silicone Diaphragm, 12 Pack | Compatible with Momcozy Breastpump Replacement Parts Accessories : Industrial & Scientific

Review: Good replacement parts - Works as they should
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.

## Features

- S9/S12/S9 Pro/S12 Pro Pump Parts Replacement - 12 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 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DF2S5K6V |
| Additional Features | Portable |
| Best Sellers Rank | #6,281 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Diaphragm Valves |
| Brand | TOVVILD |
| Brand Name | TOVVILD |
| Color | 12pcs S9pro S12pro Parts |
| Customer Reviews | 4.4 out of 5 stars 384 Reviews |
| Included Components | Duckbill |
| Item Weight | 0.09 kg |
| Manufacturer | TOVVILD |
| Manufacturer Part Number | PJ-Pro-4+8 |
| Material | Silicone |
| Material Type | Silicone |
| Model Number | PJ-Pro-4+8 |
| Number of Items | 12 |
| Special Feature | Portable |
| UPC | 765150820723 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** TOVVILD
- **Included Components:** Duckbill
- **Material:** Silicone
- **Number of Items:** 12
- **Special Feature:** Portable

## Images

![S9/S12 Pro Duckbill Valve Silicone Diaphragm, 12 Pack | Compatible with Momcozy Breastpump Replacement Parts Accessories - Image 1](https://m.media-amazon.com/images/I/71G6gPwOJiL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good replacement parts
*by K***R on July 21, 2026*

Works as they should

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ 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 12 Pack S9 Pro / S12 Pro / S9 / S12 Duckbill Valve Silicone Diaphragm, Compatible with momcozy Breastpump, Electric Breast Pump 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 (Single-Sealed Full Set Collector Cup with 24mm Flange,180ml, 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.za/products/657163492-s9-s12-pro-duckbill-valve-silicone-diaphragm-12-pack-compatible](https://www.desertcart.co.za/products/657163492-s9-s12-pro-duckbill-valve-silicone-diaphragm-12-pack-compatible)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-08-05*