---
product_id: 523351991
title: "PHOENIX GRAVITY POSTreat Steel Fluoride Reduction Filter Cartridges - 2 AISI 304 Stainless Steel PF-4 Filter Cartridges, Removes >95% of Fluoride, Compatible with Phoenix Smart Carbon Cartridges"
brand: "phoenix gravity"
price: "A$256"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/523351991-phoenix-gravity-postreat-steel-fluoride-reduction-filter-cartridges-2-aisi
store_origin: AU
region: Australia
---

# Up to 4000L / 4 Months Lifespan Reusable FlouRid Media >95% Fluoride Removal PHOENIX GRAVITY POSTreat Steel Fluoride Reduction Filter Cartridges - 2 AISI 304 Stainless Steel PF-4 Filter Cartridges, Removes >95% of Fluoride, Compatible with Phoenix Smart Carbon Cartridges

**Brand:** phoenix gravity
**Price:** A$256
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your hydration game with next-level fluoride filtration!

## Quick Answers

- **What is this?** PHOENIX GRAVITY POSTreat Steel Fluoride Reduction Filter Cartridges - 2 AISI 304 Stainless Steel PF-4 Filter Cartridges, Removes >95% of Fluoride, Compatible with Phoenix Smart Carbon Cartridges by phoenix gravity
- **How much does it cost?** A$256 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/523351991-phoenix-gravity-postreat-steel-fluoride-reduction-filter-cartridges-2-aisi)

## Best For

- phoenix gravity enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Compatibility:** Perfectly pairs with Phoenix Smart Carbon cartridges for enhanced filtration.
- • **Eco-Smart Refill System:** FlouRid media refills reduce waste and save money effortlessly.
- • **Hassle-Free Maintenance:** Quick, easy refills keep your water pure without downtime.
- • **Superior Fluoride Defense:** Removes over 95% fluoride for pristine, healthier water.
- • **Durable Stainless Steel Build:** Crafted from AISI 304 steel for long-lasting, corrosion-resistant performance.

## Overview

The PHOENIX GRAVITY POSTreat Steel Fluoride Reduction Filter Cartridges feature durable AISI 304 stainless steel construction and remove over 95% of fluoride, heavy metals, and microplastics. Designed for gravity-fed water filters, these cartridges use reusable FlouRid media lasting up to 4000 liters or 4 months, offering a cost-effective, eco-friendly solution compatible with Phoenix Smart Carbon filters for superior water purification.

## Description

POSTreat Steel Fluoride Reduction Filter Cartridges - 2 AISI 304 Stainless Steel PF-4 Filter Cartridges, Removes >95% of Fluoride, Compatible with Phoenix Smart Carbon Cartridges

## Features

- Cost-Effective Refill Solution - Our first-of-its-kind POSTreat steel Fluoride Reduction Elements deliver superior filtration, removing over 95% of fluoride for cleaner, healthier water, while the FlouRid refill media lets you reuse them, reducing waste and saving your money.
- Removes >95% Fluoride - Engineered for exceptional performance, our POSTreat Steel Fluoride removal filter elements reduce fluoride by over 95%, along with heavy metals and microplastics, ensuring safer, cleaner water. Crafted from durable AISI 304 Stainless steel, they deliver extended filtration life, minimizing replacements for sustainable, long-term use. Note: Works in tandem with our Phoenix Smart Carbon (Black) filter elements.
- Long-Lasting Performance - Each FlouRid media refill lasts up to 4000 liters or 4 months, delivering consistent filtration with hassle-free installation and maintenance for optimal performance.
- Compatible with (PF 2) Filter Elements - Designed specifically for Gravity Fed Water Filters, Ensuring a perfect fit with Phoenix Smart Carbon (Black ) Filter Elements.
- Easy to Refill and Use - The refill process is simple and straightforward, allowing you to quickly restore your filter filtration capability.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | PHOENIX GRAVITY |
| Model Number | POSTreat- F |
| Colour | Black |
| Product Dimensions | 7 x 7 x 13 cm; 1.05 kg |
| Capacity | 8 Cubic Inches |
| Material | Stainless Steel |
| Item Weight | 1.05 kg |

## Product Details

- **Material:** Stainless Steel
- **Product dimensions:** 32D x 15W x 7H centimetres
- **Item weight:** 1.05 Kilograms
- **External testing certification:** WQA
- **Product benefits:** Removes Fluoride

## Images

![PHOENIX GRAVITY POSTreat Steel Fluoride Reduction Filter Cartridges - 2 AISI 304 Stainless Steel PF-4 Filter Cartridges, Removes >95% of Fluoride, Compatible with Phoenix Smart Carbon Cartridges - Image 1](https://m.media-amazon.com/images/I/61qCBqBjKLL.jpg)

## Questions & Answers

**Q: How long does it last?**
A: Dear Abdulhamid,
Thank you for reaching out to us. The warranty for the POSTreat Steel casing is one year. The Life span of a pair of POSTreat fluoride filters is upto 4000 liters.  It is recommended to replace the Fluo-rid refill media every 4 to 6 months.

Regards,
Team Phoenix Gravity

**Q: How much is the refill media and is it readily available? (I can't see it on sale anywhere).**
A: Dear Customer,
Thank you for reaching out to us. The price of the POSTreat Fluo-rid media is US$30/- per pair. The stock will be made available in Amazon in 2 weeks time.

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**Shop now:** [https://www.desertcart.com.au/products/523351991-phoenix-gravity-postreat-steel-fluoride-reduction-filter-cartridges-2-aisi](https://www.desertcart.com.au/products/523351991-phoenix-gravity-postreat-steel-fluoride-reduction-filter-cartridges-2-aisi)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-08*