---
product_id: 657163492
title: "S9/S12 Pro Duckbill Valve Silicone Diaphragm Replacement Kits, 12 Pack"
brand: "tovvild"
price: "HK$164"
currency: HKD
in_stock: true
reviews_count: 13
category: "Tovvild"
url: https://www.desertcart.hk/products/657163492-s9-s12-pro-duckbill-valve-silicone-diaphragm-replacement-kits-12
store_origin: HK
region: Hong Kong
---

# 12-pack replacement set Easy steam & microwave sterilization BPA-free food-grade silicone S9/S12 Pro Duckbill Valve Silicone Diaphragm Replacement Kits, 12 Pack

**Brand:** tovvild
**Price:** HK$164
**Availability:** ✅ In Stock

## Summary

> 🍼 Keep your pump fresh and leak-free—because every drop counts!

## Quick Answers

- **What is this?** S9/S12 Pro Duckbill Valve Silicone Diaphragm Replacement Kits, 12 Pack by tovvild
- **How much does it cost?** HK$164 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/657163492-s9-s12-pro-duckbill-valve-silicone-diaphragm-replacement-kits-12)

## 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

- • **Hygienic & Reusable:** Sterilize effortlessly with boiling water, steam, or microwave bags.
- • **Bulk Pack Convenience:** 12 durable parts ensure uninterrupted pumping cycles for months.
- • **Universal Compatibility:** Fits Momcozy S9/S12 Pro & TSRETE electric pumps seamlessly.
- • **Reliable Leak-Proof Seal:** Precision diaphragms maintain airtight suction to prevent milk loss.
- • **Premium Food-Grade Silicone:** Soft, odorless, and BPA-free for ultimate baby-safe hygiene.

## Overview

The S9/S12 Pro Duckbill Valve Silicone Diaphragm Replacement Kit offers 12 high-quality, BPA-free silicone parts designed for Momcozy and TSRETE breast pumps. Engineered for a secure seal to prevent milk leakage, these soft, odorless components are easy to clean and sterilize, ensuring safe, hygienic use. Ideal for busy moms, this bulk pack supports consistent pump performance and hassle-free maintenance.

## Description

desertcart.com : S9/S12 Pro Duckbill Valve Silicone Diaphragm Replacement Kits, 12 Pack | Breast Pump Parts Accessories Compatible with Momcozy, Breastfeeding Essentials, Durable, Food-grade Silicone : 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: Good replacement parts - Works as they should

## 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 | #5,427 in Baby ( See Top 100 in Baby ) #247 in Breastfeeding Supplies |
| Brand | TOVVILD |
| Brand Name | TOVVILD |
| Color | 12pcs S9pro S12pro Parts |
| Customer Reviews | 4.4 out of 5 stars 613 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 Replacement Kits, 12 Pack - Image 1](https://m.media-amazon.com/images/I/71G6gPwOJiL.jpg)

## Available Options

This product comes in different **Set** 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.

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

Works as they should

### ⭐⭐⭐⭐⭐ Compatible with MomCozy S9
*by J***N on June 17, 2026*

This is compatible with the MomCozy S9 wearable pump! Changing the parts out for these increased the efficacy of the pump. Definitely recommend:)

## 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.hk/products/657163492-s9-s12-pro-duckbill-valve-silicone-diaphragm-replacement-kits-12](https://www.desertcart.hk/products/657163492-s9-s12-pro-duckbill-valve-silicone-diaphragm-replacement-kits-12)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-09-29*