SW30 4040 – 4" DuPont FilmTec High-Rejection, Low-Energy Seawater Reverse Osmosis Replacement Membrane The SW30 4040 is a high-performance 4" DuPont FilmTec replacement membrane, designed for seawater reverse osmosis (SWRO) applications that require maximum salt rejection. Built with thin-film composite (TFC) technology, this membrane effectively removes high Total Dissolved Solids (TDS) while operating under lower pressure requirements, reducing overall energy costs. With a 99.8% salt rejection rate, the SW30 4040 provides exceptional water purification for industrial, marine, and high-salinity filtration systems while maintaining optimal efficiency. Key Features: ✔️ 4" Diameter – Standard size for mid-capacity reverse osmosis systems✔️ DuPont FilmTec Technology – Industry-leading membrane quality for seawater desalination✔️ 99.8% Salt Rejection – Produces high-purity water for demanding applications✔️ Thin-Film Composite (TFC) Structure – Enhances filtration efficiency and durability✔️ Industrial & Marine Applications – Ideal for desalination plants, offshore water treatment, and high-salinity filtration✔️ Durable & High-Performance – Built to withstand extreme pressures and demanding operating conditions✔️ Easy Replacement & Maintenance – Designed for seamless integration into existing RO systems The SW30 4040 4" replacement membrane offers superior desalination performance, energy efficiency, and long-term reliability, making it an excellent choice for industrial seawater purification applications.
