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just a short note to thank you for your assistance. I got the system up and running today. It has been a pleasure doing business with you.
— D.B.,
Nelson - BC
TW30-4021
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Filmtec Commercial 4" x 21" RO Membrane Dow Model/Part # TW30-4021

$52500
Dow - Filmtec Product Line
$52500
Dow - Filmtec Logo
SKU TW30-4021
Brand Dow - Filmtec
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Canada United States Delivery Info
In Stock: Ships in 1 - 3 days
Shipping: Calculated at checkout

Dow Filmtec TW30-4021 RO Membrane TFC is a reverse osmosis membrane element with consistent and reliable system performance, which provides high quality drinking water at lower costs.

These RO membranes are tape wrapped and built quality industrial material, and its dry state allow for rapid start up.

Specifications:

Membrane Type: Polyamide Thin Film Composite

Dimensions: 4" D x 21"

Operating Pressure 225 psi

Max Temp.: 113 F / 45 C

Made in the USA

Quality Assurance

Enhanced quality control throughout the entire production process; eleven different quality checks monitor all critical dimensions and product characteristics. 100% of all DOW FILMTEC™ residential elements must pass an element integrity test before packaging to ensure our customers receive defect-free products.

Dow - Filmtec Product Lines
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The Dow FILMTEC™ name is well known in the world of reverse osmosis (RO) membranes and nanofiltration (NF) elements. Used in home, municipal, commercial, industrial and consumer water applications. Exacting elements made to operate efficiently at low pressures and offer shigh rejection of dissolved solids.

The Filmtec membranes provide excellent structural stability and is considered by many water purification providers and do-it-yourselfers to be more productive than other comparable products.

[+] [–] More About Dow FILMTEC™ Membranes & Nanofiltration elements

The Water Guy, established in 1989 is much more than a web store with a full service company that includes its own warehouse and retail location. (Yes, when your order with us you are ordering direct, not from a freight forwarding service that takes 3 weeks to get you what you need.) We can get it to you when you need it!

Our warehouse carries many hundreds of items that are not yet on our website. If you are looking for a Filmtec / Dow reverse osmosis membrane or related parts and accessories that are not found on this page, then please contact us by email or call our office (1-866-489-4004) to speak to a trained water technician that can assist you with your specialty order and unique concerns.

NOTE: The Dow water purification items on this page are regular in-stock items.

Get Dow Filmtec™ reverse osmosis and UF membranes direct from our Canadian warehouse to your door. 1-on-1 assistance with an experienced Water Tech to assist you with your water purification concerns.
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