---
product_id: 589639559
title: "Ozmosis BW-4021 RO Reverse Osmosis Brackish Water Membrane 4\"x21\", High Salt Rejection, 1000GPD Water Filtration, Made with Premium Toray Brand Sheets and Dow Glue for Commercial and Industrial Use"
price: "€ 184.26"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/589639559-ozmosis-bw-4021-ro-reverse-osmosis-brackish-water-membrane-4x21
store_origin: IE
region: Ireland
---

# Ozmosis BW-4021 RO Reverse Osmosis Brackish Water Membrane 4"x21", High Salt Rejection, 1000GPD Water Filtration, Made with Premium Toray Brand Sheets and Dow Glue for Commercial and Industrial Use

**Price:** € 184.26
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Ozmosis BW-4021 RO Reverse Osmosis Brackish Water Membrane 4"x21", High Salt Rejection, 1000GPD Water Filtration, Made with Premium Toray Brand Sheets and Dow Glue for Commercial and Industrial Use
- **How much does it cost?** € 184.26 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/589639559-ozmosis-bw-4021-ro-reverse-osmosis-brackish-water-membrane-4x21)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Images

![Ozmosis BW-4021 RO Reverse Osmosis Brackish Water Membrane 4"x21", High Salt Rejection, 1000GPD Water Filtration, Made with Premium Toray Brand Sheets and Dow Glue for Commercial and Industrial Use - Image 1](https://m.media-amazon.com/images/I/51Rb6PUBLsL.jpg)

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---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-08*