---
product_id: 111238818
title: "Coastal Water Filters SW-4040 SW30-4040 Reverse Osmosis Membrane Element 4\" x 40\" Seawater Desalination, High Performance 1950 GPD Water Filtration, Made with Toray Material, 99.7% Salt Rejection"
brand: "coastal water filters"
price: "1730.86 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/111238818-coastal-water-filters-sw-4040-sw30-4040-reverse-osmosis-membrane
store_origin: TN
region: Tunisia
---

# 4" x 40" size 1950 GPD capacity 99.7% salt rejection Coastal Water Filters SW-4040 SW30-4040 Reverse Osmosis Membrane Element 4" x 40" Seawater Desalination, High Performance 1950 GPD Water Filtration, Made with Toray Material, 99.7% Salt Rejection

**Brand:** coastal water filters
**Price:** 1730.86 DT
**Availability:** ✅ In Stock

## Summary

> 🌊 Dive into Purity with Coastal Water Filters!

## Quick Answers

- **What is this?** Coastal Water Filters SW-4040 SW30-4040 Reverse Osmosis Membrane Element 4" x 40" Seawater Desalination, High Performance 1950 GPD Water Filtration, Made with Toray Material, 99.7% Salt Rejection by coastal water filters
- **How much does it cost?** 1730.86 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/111238818-coastal-water-filters-sw-4040-sw30-4040-reverse-osmosis-membrane)

## Best For

- coastal water filters enthusiasts

## Why This Product

- Trusted coastal water filters brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Salt? No Problem!:** Enjoy fresh water with a remarkable 99.7% salt rejection rate.
- • **Compact Powerhouse:** Designed in a sleek 4" x 40" format, fitting seamlessly into your setup.
- • **Top-Quality Material:** Crafted with premium Toray material for durability and reliability.
- • **Transform Your Water:** Experience high-performance desalination with our advanced membrane technology.
- • **Unmatched Efficiency:** Achieve an impressive 1950 gallons per day, perfect for your coastal needs.

## Overview

The Coastal Water Filters SW-4040 SW30-4040 Reverse Osmosis Membrane Element is a high-performance seawater desalination solution, featuring a compact 4" x 40" design, capable of filtering up to 1950 gallons per day with an impressive 99.7% salt rejection rate, made from durable Toray material.

## Description

This is a commercial Seawater Membrane compatible with Dow Filmtec SW30-4040, Toray TM-810V Hydranautics SWC5-4040 and others. It uses Toray Membrane Sheets, Dow Glue, etc. Brand New in Factory Sealed box. 1950gpd @ 800 psi & 99.7% salt rejection means that this will give more water, better quality water, and use less energy (electricity) to produce that water...when compared to almost any other similar membranes on the market. Part number: MR-SW-4040 MR Brand SW-4040 Reverse Osmosis Membranes for many Applications such as: Marine Use Desalination Systems Car Washes Irrigation Food Industry Whole House Reverse Osmosis Commercial Reverse Osmosis Agricultural Industrial 4" x 40" Fits nearly all standard 4" x 40" Membrane housings stainless steel, PVC, or Fiberglass This is compatible with the following common Brands and part numbers as well as others: Dow Filmtec SW30-4040 & SW30HRLE-4040 Toray TM810F & TM-810V Hydranautics SWC5-4040 & SWC5-LD-4040 Axeon Seawater Series This Membrane is made of the highest quality materials including Toray Brand Sheets and Dow Brand Glue. We use the best of both manufacturers. Fiberglass wound housing is superior to plastic housings. Average Production: 1950 GPD Max Pressure: 1000 psi Optimal Pressure: 800 psi Salt Rejection: 99.7% Boron Removal Rate: 93% Free Chlorine Concentration: <0.1 Continuous Running PH: 2-11 Chemical Cleaning PH: 1-12 Test Water Concentrate: 32800 Test Water PH: 7.5 Max Pressure Drop Each Element: 15 psi Tested prior to packaging. Quality guaranteed. This is a true Seawater Membrane not a brackish water membrane. It is designed to work best in water that has high TDS.

## Features

- 4" x 40" Sea Water Desalination Membrane Top Quality

## Images

![Coastal Water Filters SW-4040 SW30-4040 Reverse Osmosis Membrane Element 4" x 40" Seawater Desalination, High Performance 1950 GPD Water Filtration, Made with Toray Material, 99.7% Salt Rejection - Image 1](https://m.media-amazon.com/images/I/21L6h8UdpQL.jpg)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-26*