---
product_id: 41343197
title: "TW30-4021 Commercial Reverse Osmosis Membrane"
brand: "dow filmtec"
price: "₪2370"
currency: ILS
in_stock: true
reviews_count: 1
category: "Dow Filmtec"
url: https://www.desertcart.co.il/products/41343197-tw30-4021-commercial-reverse-osmosis-membrane
store_origin: IL
region: Israel
---

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

**Brand:** dow filmtec
**Price:** ₪2370
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your water game with precision and durability!

## Quick Answers

- **What is this?** TW30-4021 Commercial Reverse Osmosis Membrane by dow filmtec
- **How much does it cost?** ₪2370 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/41343197-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

- • **Space-Smart Design:** Available in multiple sizes to fit diverse installation needs
- • **Optimized Flow Efficiency:** High flux membrane ensures maximum water yield with minimal pressure loss
- • **Chlorine-Resistant Membrane:** Protects against damage with <0.1 ppm free chlorine tolerance
- • **Consistent High-Quality Water:** Delivers ultra-pure water for small commercial systems under 1 GPM
- • **Durable & Reliable Performance:** Engineered for long-lasting use with minimal maintenance

## 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 ultra-pure water. It features a robust polyamide thin-film composite membrane with high chlorine tolerance (<0.1 ppm) and a maximum pressure drop of 13 psig, ensuring efficient, reliable filtration and long service life in compact spaces.

## 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 | #547,325 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3,444 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

![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 Israel*
*Store origin: IL*
*Last updated: 2026-03-02*