SW30-4021 DuPont FilmTec Reverse Osmosis Membrane

SW30 4021 – 4" DuPont FilmTec Seawater Reverse Osmosis Replacement Membrane

The SW30 4021 is a high-performance 4" DuPont FilmTec replacement membrane, engineered for seawater reverse osmosis (SWRO) applications. Built to withstand high TDS (Total Dissolved Solids) levels, this thin-film composite membrane sustains the higher pressures required for marine and industrial water treatment while maintaining an impressive 99.4% stabilized salt rejection.

Key Features:

✔️ 4" Diameter – Standard size for seamless system compatibility
✔️DuPont FilmTec Technology –
✔️ High TDS & Pressure Tolerance – Designed for seawater and high-salinity applications
✔99.4% Salt Rejection – Removes dissolved salts for high-purity water
✔️ **Thin-Film Composite (TFC) Design– Enha
✔Industrial & Marine Applications – Ideal for seawater desalination and commercial filtration systems
✔Easy Replacement –

Perfect for seawater desalination plants, marine industries, and high-salinity environments, the SW30 4021 4" replacement membrane delivers exceptional performance and durability.