---
product_id: 365862722
title: "Dow FilmTec, TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System"
brand: "dow filmtec"
price: "₨2979"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/365862722-dow-filmtec-tw30-1812-100hr-100-gpd-tfc-high-rejection
store_origin: SC
region: Seychelles
---

# 100 GPD purification capacity Polyamide Thin-Film Composite membrane NSF/ANSI Standard 58 certified Dow FilmTec, TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System

**Brand:** dow filmtec
**Price:** ₨2979
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your hydration with the membrane that works smarter, not harder!

## Quick Answers

- **What is this?** Dow FilmTec, TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System by dow filmtec
- **How much does it cost?** ₨2979 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/365862722-dow-filmtec-tw30-1812-100hr-100-gpd-tfc-high-rejection)

## 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

- • **Pure Powerhouse:** Delivers up to 100 gallons of crystal-clear water daily, keeping your hydration game strong.
- • **Chlorine Caution:** Designed for chlorinated water systems with recommended pre-filters to protect membrane longevity.
- • **Efficiency Boost:** Purifies 20% more water at a lower 50 psi pressure, outperforming competitors rated at 60 psi.
- • **Certified Confidence:** NSF/ANSI Standard 58 certification ensures top-tier safety and reliability for your home.
- • **Long-Lasting Freshness:** Shipped dry for extended shelf life and hassle-free installation whenever you need it.

## Overview

The Dow FilmTec TW30-1812-100HR is a high-rejection, polyamide thin-film composite reverse osmosis membrane designed for undersink systems. Rated at 100 gallons per day and certified to NSF/ANSI Standard 58, it delivers 20% more purified water at a lower operating pressure of 50 psi. Shipped dry for convenience and longevity, this membrane ensures reliable, high-quality home drinking water filtration when paired with appropriate pre-filters.

## Description

Dow FilmTec, TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System

## Features

- Polyamide Thin-Film Composite (TFC)
- Rated at 50 psi and purifies about 20% more water than elements rated at 60 psi
- Shipped dry for convenient and a long shelf life
- Free Chlorine Tolerance: <0.1 ppm
- FilmTec genuine membrane element, NSF/ANSI Standard 58 certified

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Polyamide Thin-Film Composite |
| Product Dimensions | 4.4D x 29.8W x 4.4H Centimeters |
| Item Weight | 0.22 Pounds |
| External Testing Certification | NSF |
| Product Benefits | Produces 100 Gallons per Day of Purified Water at 98% salt rejection (stabilized) |
| Brand | DOW Filmtec |
| Global Trade Identification Number | 08515260080850 |
| Net Quantity | 1.0 count |
| Number of Items | 1 |
| Manufacturer | FilmTec |
| Model number | TW30-1812-100HR |
| Colour | Blue |
| Special Feature | ro |
| Item Weight | 99.8 g |
| Item model number | TW30-1812-100HR |
| Included Components | membrane |
| Are batteries included? | No |

## Product Details

- **Material:** Polyamide Thin-Film Composite
- **Product Dimensions:** 4.4D x 29.8W x 4.4H Centimeters
- **Item Weight:** 0.22 Pounds
- **External Testing Certification:** NSF
- **Product Benefits:** Produces 100 Gallons per Day of Purified Water at 98% salt rejection (stabilized)

## Images

![Dow FilmTec, TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System - Image 1](https://m.media-amazon.com/images/I/41v1t4ePBfL.jpg)
![Dow FilmTec, TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System - Image 2](https://m.media-amazon.com/images/I/51ci+bLYRuL.jpg)
![Dow FilmTec, TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System - Image 3](https://m.media-amazon.com/images/I/619Am3y54eL.jpg)
![Dow FilmTec, TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System - Image 4](https://m.media-amazon.com/images/I/61eaExkqxWL.jpg)
![Dow FilmTec, TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System - Image 5](https://m.media-amazon.com/images/I/51uk87fY3yL.jpg)

## Questions & Answers

**Q: Where is it manufactured?**
A: This is made in USA, Dow Filmtec geneuine membrane as it is stated on the product.

**Q: Is there a manufacturing date code on product or on package? As to gauge shelf life.**
A: Every membrane comes with manufacturer’s serial number and authentication code, so you may check with manufacturer Dow Filmtec. However, our membranes directly comes from the factory to Amazon FBA without waiting in stock. Usual shelf life is about 3 years when the membrane was kept in good conditions based on manufacturer’s guidelines.

**Q: Can you use apec (flo-700-qc) flow restrictor with this membrane?**
A: Usually 800 flow restrictor is recommended for 100gpd membrane. You may also check with Apec company if that is the manufacturer of your RO system.

**Q: What is the rejection rate in percentage please?**
A: It depends on how new the filter is, type of filtration, and how many filters. I am getting almost 98%

## Frequently Bought Together

- Dow FilmTec, TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System
- APEC Water Systems 5-TCR-QC US MADE 10" Inline Carbon Filter with ¼” Quick Connect For Reverse Osmosis Water Filter System (For Standard System)
- APEC Water Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-01*