---
product_id: 56668655
title: "Dow Filmtec TW30-4021 Commercial Reverse Osmosis Membrane"
brand: "dow filmtec"
price: "€ 29.65"
currency: EUR
in_stock: false
url: https://www.desertcart.gr/products/56668655-dow-filmtec-tw30-4021-commercial-reverse-osmosis-membrane
store_origin: GR
region: Greece
---

# High-efficiency water filtration Compact 53cm design fits tight spaces Robust polyamide thin-film composite Dow Filmtec TW30-4021 Commercial Reverse Osmosis Membrane

**Brand:** dow filmtec
**Price:** € 29.65
**Availability:** ❌ Out of Stock

## Summary

> 💧 Elevate your water game with the membrane that means business.

## Quick Answers

- **What is this?** Dow Filmtec TW30-4021 Commercial Reverse Osmosis Membrane by dow filmtec
- **How much does it cost?** € 29.65 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/56668655-dow-filmtec-tw30-4021-commercial-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

- • **Temperature Tough:** Operates efficiently up to 113°F, perfect for demanding commercial environments.
- • **Pressure Optimized:** Handles up to 13 psig pressure drop, maintaining consistent flow without compromise.
- • **Space-Savvy Design:** Slim 53.34 cm length fits seamlessly into commercial setups with limited space.
- • **Chlorine Resilience:** Tolerates free chlorine levels below 0.1 ppm, ensuring membrane longevity and purity.
- • **Enduring Performance:** Engineered for long-lasting, reliable filtration that keeps your system running smoothly.

## Overview

The Dow Filmtec TW30-4021 is a commercial-grade reverse osmosis membrane crafted from durable polyamide thin-film composite. Designed for compact spaces, it delivers reliable, long-lasting filtration withstanding pressures up to 13 psig and chlorine levels under 0.1 ppm, operating efficiently up to 113°F.

## Description

FILMTEC? reverse osmosis (RO) elements offer the highest quality water for small commercial systems purifying less than one gallon per minute (0.2 m3/d) of RO water. 1. Permeate flow and salt rejection based on the following test conditions: TW30 elements are tested on a 2,000 ppm NaCl feed stream, XLE performance based on a 500 ppm NaCl feed stream, pressure specified above, 77°F (25°C) and the following recovery rates; TW30-2026 ? 10%, TW30-2521, XLE-2521, TW30-4021, XLE-4021 ? 8%, TW30-2514, TW30-4014 ? 5%. 2. Permeate flows for individual elements may vary +/-20%.  3. For the purpose of improvement, specifications may be updated periodically.  Operating Limits- Membrane Type Polyamide Thin-Film Composite  Maximum Operating Temperature 113°F (45°C)  Maximum Operating Pressure 600 psig (41 bar) Maximum Pressure Drop 13 psig (0.9 bar)  pH Range, Continuous Operationa 2 - 11  pH Range, Short-Term Cleaning (30 min.)b 1 - 1

## Features

- The Dow Filmtec TW30-4021 offers savings to customers by providing long lasting, reliable performance
- Dow Filmtec membranes are available in a variety of sizes to meet a range of space requirements
- Maximum Pressure Drop: 13 psig
- Free Chlorine Tolerance: <0.1 ppm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Dow Filmtec |
| Part Number | FILMTEC-TW30-4021 |
| Product Dimensions | 53.34 x 9.91 x 9.91 cm; 1.22 kg |
| Item model number | FILMTEC-TW30-4021 |
| Colour | Yellow |
| Material | Polyamide Thin-Film Composite |
| Item Package Quantity | 1 |
| Temperature Range | 113 Degrees Fahrenheit |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 1.22 kg |

## Product Details

- **Material:** Polyamide Thin-Film Composite
- **External testing certification:** NSF
- **Brand:** Dow Filmtec
- **UPC:** 799705704213
- **Global Trade Identification Number:** 00799705704213

## Images

![Dow Filmtec TW30-4021 Commercial Reverse Osmosis Membrane - Image 1](https://m.media-amazon.com/images/I/51Cp743NJQL.jpg)

## Frequently Bought Together

- Dow Filmtec TW30-4021 Commercial Reverse Osmosis Membrane
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**Shop now:** [https://www.desertcart.gr/products/56668655-dow-filmtec-tw30-4021-commercial-reverse-osmosis-membrane](https://www.desertcart.gr/products/56668655-dow-filmtec-tw30-4021-commercial-reverse-osmosis-membrane)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-11*