---
product_id: 99162446
title: "Maymom 3rd Gen Thread Changer or Converter; Allow Spectra S1 S2 Pump Wide Mouth Flange Compatible, No Leak, No Fallen Bottle"
brand: "maymom"
price: "A$26"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/99162446-maymom-3rd-gen-thread-changer-or-converter-allow-spectra-s1
store_origin: AU
region: Australia
---

# Anti-leak O-ring tech Universal bottle compatibility Dishwasher safe BPA-free Maymom 3rd Gen Thread Changer or Converter; Allow Spectra S1 S2 Pump Wide Mouth Flange Compatible, No Leak, No Fallen Bottle

**Brand:** maymom
**Price:** A$26
**Availability:** ✅ In Stock

## Summary

> 💼 Pump smarter, not harder — the ultimate bottle converter for multitasking pros!

## Quick Answers

- **What is this?** Maymom 3rd Gen Thread Changer or Converter; Allow Spectra S1 S2 Pump Wide Mouth Flange Compatible, No Leak, No Fallen Bottle by maymom
- **How much does it cost?** A$26 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/99162446-maymom-3rd-gen-thread-changer-or-converter-allow-spectra-s1)

## 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 & Hygienic:** BPA-free, FDA-compliant materials that are dishwasher safe for busy parents on the go.
- • **Trusted Quality:** 3rd Gen genuine Maymom product with USA-based customer support and batch-tested safety.
- • **Effortless Assembly:** Easy screw-on design that won’t interfere with your pump’s duckbill valve.
- • **Leakproof Confidence:** Innovative anti-slip O-ring prevents spills even when bending over during pumping.
- • **Seamless Compatibility:** Works flawlessly with Spectra S1/S2, Medela, Ameda, and Dr. Brown bottles (excluding wide-mouth Dr. Brown).

## Overview

The Maymom 3rd Gen Thread Changer is a premium bottle converter designed to eliminate leaks and bottle slips during pumping. Compatible with a wide range of popular bottle brands, it features an anti-leak silicone O-ring and an easy screw-on design that maintains pump performance. BPA-free, dishwasher safe, and FDA compliant, this trusted accessory is a must-have for professional moms seeking reliability and convenience.

## Description

Maymom 3rd Gen Thread Changer or Converter; Allow Spectra S1 S2 Pump Wide Mouth Flange Compatible, No Leak, No Fallen Bottle

## Features

- 3rd Generation Genuine Maymom bottle size changer includes an anti-leaking & anti slip o-ring; designed to avoid leaking when a mother bent over during pumping, reduced chance for a unscrewed bottle, no interfering with the duckbill, and easier screw on to both the widemouth flanges and the standard-sized bottles
- Compatible with Avent and Spectra S1 and Spectra S2 flanges to use with standard sized bottles like medela bottles, ameda bottles and original Dr. Brown Bottles (note will not fit wide mouth Dr. brown bottle) to replace the wide mouth spectra bottles.
- We recommend that you use a bottle-stand (such as ASIN B00PRPLRYQ) as well to reduce the tipping-over of the bottle.
- BPA free, dishwasher safe; FDA compliant for food contacts. Every batch is tested for safety. Test reports are online on Maymom's website for your reference.
- From a brand you can trust - Maymom and USA based customer service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 5.24 x 4.53 x 1.26 inches |
| Item model number | X117 |
| Is Discontinued By Manufacturer | No |
| Safety warning | This product contains small parts and it is not a toy. Keep it away from children. |
| Material Type | Silicone, Plastic |
| Number Of Items | 1 |
| Batteries required | No |
| Dishwasher safe | Yes |
| Item Weight | 1.76 ounces |

## Product Details

- **Brand:** Maymom
- **Material:** Silicone, Plastic
- **Number of Items:** 1
- **Color:** 3rd Generation W/O-ring
- **Is Dishwasher Safe:** Yes

## Images

![Maymom 3rd Gen Thread Changer or Converter; Allow Spectra S1 S2 Pump Wide Mouth Flange Compatible, No Leak, No Fallen Bottle - Image 1](https://m.media-amazon.com/images/I/518xhDb22hL.jpg)

## Available Options

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

## Frequently Bought Together

- Maymom 3rd Gen Thread Changer or Bottle Converter; Allow Spectra S1 S2 Pump Wide Mouth Flange Compatible w Medela Bottle, Ameda Bottle, Lifefactory Bottle, Dr. Brown Narrow; No Leak, No Fallen Bottle
- 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
- Maymom Pump Parts Compatible with Spectra S1 S2 9 Plus Breastpump Replace Backflow Protector Membrane Duckbill Valve Tube Not Original Spectra Replacement Pump Parts

---

## 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/99162446-maymom-3rd-gen-thread-changer-or-converter-allow-spectra-s1](https://www.desertcart.com.au/products/99162446-maymom-3rd-gen-thread-changer-or-converter-allow-spectra-s1)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-27*