---
product_id: 258795944
title: "Dow Filmtec SW30-2540 Seawater Reverse Osmosis Membrane"
brand: "dow filmtec"
price: "€ 714.00"
currency: EUR
in_stock: true
category: "Dow Filmtec"
url: https://www.desertcart.fi/products/258795944-dow-filmtec-sw30-2540-seawater-reverse-osmosis-membrane
store_origin: FI
region: Finland
---

# Highest flow rates for max water output Operates at lower pressure to cut pump costs Precision automated membrane fabrication Dow Filmtec SW30-2540 Seawater Reverse Osmosis Membrane

**Brand:** dow filmtec
**Price:** € 714.00
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your water game with the ultimate seawater membrane!

## Quick Answers

- **What is this?** Dow Filmtec SW30-2540 Seawater Reverse Osmosis Membrane by dow filmtec
- **How much does it cost?** € 714.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/258795944-dow-filmtec-sw30-2540-seawater-reverse-osmosis-membrane)

## Best For

- dow filmtec enthusiasts

## Why This Product

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

## Key Features

- • **Cost-Savvy Operation:** Runs at reduced pressure, slashing pump size and energy expenses
- • **Superior Salt Rejection:** Maintains crystal-clear water with industry-leading salt filtration
- • **Unmatched Flow Efficiency:** Delivers top-tier water output for land & sea desalination needs
- • **Durable & Chlorine Sensitive:** Built to last with <0.1 ppm free chlorine tolerance for longevity
- • **Precision Engineered Consistency:** Automated fabrication ensures reliable, repeatable membrane performance

## Overview

The Dow Filmtec SW30-2540 is a high-performance seawater reverse osmosis membrane designed for both land and marine desalination. It features the highest flow rates available, precision automated manufacturing for consistent quality, and operates efficiently at lower pressures to reduce pump size and costs. With excellent salt rejection and a chlorine tolerance below 0.1 ppm, it ensures durable, reliable purification in demanding environments.

## Description

Product Description The Dow Filmtec SW302540 reverse osmosis membrane offers high productivity and maintain excellent salt rejection. This membrane can be operated at a lower pressure to reduce pump size and cost. From the Manufacturer The Dow Filmtec SW302540 reverse osmosis membrane offers high productivity and maintain excellent salt rejection. This membrane can be operated at a lower pressure to reduce pump size and cost.

## Features

- Features highest flow rates available to meet the water demands of both land and sea based desalinates
- Improved membrane design and automated, precision element fabrication result in the most consistent product performance available
- Maximum Pressure Drop: 15 psig
- Free Chlorine Tolerance: <0.1 ppm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00D43H5TO |
| ASIN  | B00D43H5TO |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #26,285 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #84 in Replacement Water Filters |
| Color | Yellow |
| Date First Available | 8 July 2013 |
| Date First Available  | 8 July 2013 |
| Department  | Home and Garden |
| Is Discontinued By Manufacturer  | No |
| Item Package Quantity | 1 |
| Item Weight | 1.81 Kilograms |
| Item model number | FILMTEC-SW30-2540 |
| Item model number  | FILMTEC-SW30-2540 |
| Manufacturer | Dow Filmtec |
| Manufacturer  | Dow Filmtec |
| Material | Polyamide Thin-Film Composite |
| Part number | SW30-2540 |
| Product Dimensions | 101.6 x 6.35 x 6.35 cm; 1.81 kg |
| Product Dimensions  | 101.6 x 6.35 x 6.35 cm; 1.81 kg |
| Temperature Range | 113 Degrees Fahrenheit |

## Product Details

- **Brand:** Dow Filmtec
- **External testing certification:** NSF
- **Item weight:** 1.81 kg
- **Material:** Polyamide Thin-Film Composite
- **Product benefits:** Provides high flow rates and consistent performance with excellent salt rejection for desalination

## Images

![Dow Filmtec SW30-2540 Seawater Reverse Osmosis Membrane - Image 1](https://m.media-amazon.com/images/I/61abB-dW-zL.jpg)
![Dow Filmtec SW30-2540 Seawater Reverse Osmosis Membrane - Image 2](https://m.media-amazon.com/images/I/61ozE-oWp5L.jpg)

## Questions & Answers

**Q: My membrane has a rubber o ring on both sides will this still work which side should I put the intake**
A: This particular Filmtex SW30 2540 membrane has one rubber o-ring at one end. This o- ring has to go on the upstream side of its housing unit.

**Q: Does it work in idromar mini compact?**
A: Yes, this membrane should work.  If you check page 4 of your product manual, you will see it listed under replacement parts.  That is this model.

**Q: What is the gph rating?  what is the pressure required for this membrane?  does it need a casing?**
A: stone age needs to go DOW form 609-00377-0811available on website which provides the information requested. (Gph is gallons per hour)  the form referenced previously indicates 700 gallon per day at 800 psig at 77 degrees F. A correctly designed casing is required. regards da vinci

**Q: Are the o-rings included?**
A: Should be !

## Frequently Bought Together

- Dow Filmtec SW30-2540 Seawater Reverse Osmosis Membrane
- KEZE Waterproof Food Grade Silicone Lubricant Plumbers Grease for Valve Sealant Faucet O Rings 1 oz 1-Pack

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-22*