---
product_id: 41343197
title: "Dow Filmtec TW30-4021 Commercial Reverse Osmosis Membrane"
brand: "dow filmtec"
price: "₨299032"
currency: LKR
in_stock: true
reviews_count: 1
category: "Dow Filmtec"
url: https://www.desertcart.lk/products/41343197-dow-filmtec-tw30-4021-commercial-reverse-osmosis-membrane
store_origin: LK
region: Sri Lanka
---

# 0.2 m³/day high purity output Max 13 psig pressure drop <0.1 ppm free chlorine tolerance Dow Filmtec TW30-4021 Commercial Reverse Osmosis Membrane

**Brand:** dow filmtec
**Price:** ₨299032
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your water game with precision and durability—because your business deserves the best.

## Quick Answers

- **What is this?** Dow Filmtec TW30-4021 Commercial Reverse Osmosis Membrane by dow filmtec
- **How much does it cost?** ₨299032 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/41343197-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

- • **Compact Versatility:** Available in multiple sizes to seamlessly fit your space without compromise.
- • **Engineered for Efficiency:** Maintains optimal performance with a low 13 psig pressure drop, saving energy and costs.
- • **Trusted Quality Assurance:** NSF certified and backed by Dow Filmtec’s industry-leading innovation for reliable water quality.
- • **Precision Purification Power:** Delivers ultra-pure water at a steady 0.2 m³/day flow—perfect for small commercial setups.
- • **Chlorine-Resistant Durability:** Built to withstand free chlorine levels below 0.1 ppm, ensuring long-lasting membrane life.

## Overview

The Dow Filmtec TW30-4021 is a commercial-grade reverse osmosis membrane designed for small-scale systems, delivering up to 0.2 m³/day of high-quality purified water. It features a low pressure drop of 13 psig and exceptional resistance to free chlorine (<0.1 ppm), ensuring long-lasting, efficient performance. Compact and NSF certified, it’s engineered to meet diverse space requirements while maintaining superior water purity.

## Description

Product Description Dow Filmtec TW30-4021 commercial reverse osmosis elements offer the highest quality water for small commercial systems purifying less than one gallon per minute (0.2 m3/d) of RO water. From the Manufacturer Dow Filmtec TW30-4021 commercial reverse osmosis elements offer the highest quality water for small commercial systems purifying less than one gallon per minute (0.2 m3/d) of RO water.

Review: Great - As stated. Good product.

## 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 |
|---------------|-------|
| ASIN | B00D43H6HU |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #1,261,280 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6,439 in Replacement Under-Sink Water Filters |
| Brand | Dow Filmtec |
| Color | Yellow |
| Customer Reviews | 5.0 5.0 out of 5 stars (4) |
| Date First Available | February 19, 2008 |
| External Testing Certification | NSF |
| Global Trade Identification Number | 00799705704213 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 2.7 pounds |
| Item model number | FILMTEC-TW30-4021 |
| Manufacturer | Dow Filmtec |
| Material | Polyamide Thin-Film Composite |
| Number of Items | 1 |
| Part Number | FILMTEC-TW30-4021 |
| Product Benefits | Reduces TDS. High flux results in high yields. High rejection provides good water quality. |
| Product Dimensions | 21 x 3.9 x 3.9 inches |
| Set Name | TW30-4021 |
| Temperature Range | 113 Degrees Fahrenheit |
| UPC | 799705704213 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Dow Filmtec
- **External Testing Certification:** NSF
- **Material:** Polyamide Thin-Film Composite
- **Product Benefits:** Reduces TDS. High flux results in high yields. High rejection provides good water quality.
- **Set Name:** TW30-4021

## Images

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great
*by D***A on April 6, 2018*

As stated. Good product.

## Frequently Bought Together

- Dow Filmtec TW30-4021 Commercial Reverse Osmosis Membrane
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- K2533 JJ 1/4" quick connect fittings. Granular activated carbon inline water filter for refrigerators, undersink, houshold applications.

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-10*