---
product_id: 728895101
title: "S9 Pro / S12 Pro Duck Bill Valve Silicone Diaphragm for Momcosy Squeeker Replacement Parts Accessories (S9pro S12pro Parts) 12pcs"
brand: "tovvild"
price: "A$5208"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/728895101-s9-pro-s12-pro-duck-bill-valve-silicone-diaphragm-momcosy
store_origin: AU
region: Australia
---

# 12-piece replacement set Sterilizable & easy to clean BPA-free, food-grade silicone S9 Pro / S12 Pro Duck Bill Valve Silicone Diaphragm for Momcosy Squeeker Replacement Parts Accessories (S9pro S12pro Parts) 12pcs

**Brand:** tovvild
**Price:** A$5208
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** S9 Pro / S12 Pro Duck Bill Valve Silicone Diaphragm for Momcosy Squeeker Replacement Parts Accessories (S9pro S12pro Parts) 12pcs by tovvild
- **How much does it cost?** A$5208 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/728895101-s9-pro-s12-pro-duck-bill-valve-silicone-diaphragm-momcosy)

## 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

- • **Leak-Proof Diaphragm Seal:** Engineered to maintain airtight seals, preventing milk leakage and maximizing efficiency.
- • **Premium BPA-Free Silicone:** Safe, soft, and odorless material ensures hygienic pumping every time.
- • **Hygienic & Easy Maintenance:** Quick to clean and sterilize via steam, boiling water, or microwave bags for worry-free use.
- • **Complete 12-Piece Replacement Kit:** Keep your Momcozy S9 Pro/S12 Pro pump performing like new with a full set of essential parts.
- • **Duckbill Valve for Optimal Milk Flow:** Designed to channel milk smoothly to the container’s bottom, reducing waste.

## Overview

This 12-piece replacement set for Momcozy S9 Pro and S12 Pro breast pumps includes BPA-free, food-grade silicone diaphragms and duckbill valves designed to maintain a leak-proof seal and optimize milk flow. Easy to clean and sterilize, these durable parts ensure hygienic, efficient pumping and should be replaced every 2-3 months for peak performance.

## Description

TOVVILD Flange Insert Breast Pump Accessories - Fits Momcozy S9 S10 S12 S4DW Rainyb TSRETE 24mm Breast Pump Shield Nipple Tunnels to 15mm / 17mm / 19mm / 21mm Each Pump Part 4 Pieces

## Features

- S9 Pro/S12 Pro Pump Parts Replacement: 12 piece set Diaphragm & Duck Bill Valve is suitable for use with momcosyS9 Pro/S12 Pro Breast Pumps
- Made of BPA free, food grade silicone, safe, soft and odorless. When using a wearable pump, the pump part will fully meet your requirements
- Easy to clean. After each use, wash the pump part with warm soapy water and rinse thoroughly. Can be sterilized with steam, boiling water or microwave steam bags
- Diaphragm is used to help breast pump maintain seal to prevent milk leakage. Duckbill valve can be used to drain milk to the bottom of the container
- The pump parts can be replaced every 2 to 3 months depending on the pumping system and suction conditions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 9.91 x 9.91 x 1.27 cm; 91 g |
| Color | 12 X S9pro S12pro Parts |
| Material Type | Silicone |
| Included Components | Duck Bill |

## Product Details

- **Brand:** TOVVILD
- **Material:** Silicone
- **Included Components:** Duck Bill
- **Number of Items:** 12
- **Color:** 12 X S9pro S12pro Parts
- **Item Weight:** 0.09 Kilograms
- **Is Dishwasher Safe:** Yes
- **UPC:** 765150820723
- **Manufacturer:** TOVVILD

## Images

![S9 Pro / S12 Pro Duck Bill Valve Silicone Diaphragm for Momcosy Squeeker Replacement Parts Accessories (S9pro S12pro Parts) 12pcs - Image 1](https://m.media-amazon.com/images/I/71G6gPwOJiL.jpg)
![S9 Pro / S12 Pro Duck Bill Valve Silicone Diaphragm for Momcosy Squeeker Replacement Parts Accessories (S9pro S12pro Parts) 12pcs - Image 2](https://m.media-amazon.com/images/I/616ObBVLvpL.jpg)
![S9 Pro / S12 Pro Duck Bill Valve Silicone Diaphragm for Momcosy Squeeker Replacement Parts Accessories (S9pro S12pro Parts) 12pcs - Image 3](https://m.media-amazon.com/images/I/715Z7EazyeL.jpg)
![S9 Pro / S12 Pro Duck Bill Valve Silicone Diaphragm for Momcosy Squeeker Replacement Parts Accessories (S9pro S12pro Parts) 12pcs - Image 4](https://m.media-amazon.com/images/I/71TV4ulXNiL.jpg)
![S9 Pro / S12 Pro Duck Bill Valve Silicone Diaphragm for Momcosy Squeeker Replacement Parts Accessories (S9pro S12pro Parts) 12pcs - Image 5](https://m.media-amazon.com/images/I/81pWwY5yCPL.jpg)

## Available Options

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

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/728895101-s9-pro-s12-pro-duck-bill-valve-silicone-diaphragm-momcosy](https://www.desertcart.com.au/products/728895101-s9-pro-s12-pro-duck-bill-valve-silicone-diaphragm-momcosy)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-08*