DuPont FilmTec XLE-4021 – 4" Reverse Osmosis Membrane

The DuPont FilmTec XLE-4021 is a high-efficiency 4" replacement membrane, designed for low-energy reverse osmosis (RO) applications that require maximum water production with minimal energy usage. Featuring thin-film composite (TFC) technology, this membrane operates at lower pressure while maintaining high salt rejection, making it ideal for industrial, commercial, and light municipal water treatment systems. Key Features: ✔️ 4" Diameter – Standard size for mid-capacity reverse osmosis systems ✔️ DuPont FilmTec Technology – Industry-leading membrane for high-efficiency filtration ✔️ Low-Energy (XLE) Design – Operates at lower pressure, reducing energy costs while maintaining performance ✔️ High Salt Rejection – Effectively removes dissolved solids, contaminants, and impurities ✔️ Optimized Flow Performance – Delivers high water output while minimizing operational costs ✔️ Thin-Film Composite (TFC) Structure – Enhances durability and ensures consistent filtration performance ✔️ Industrial, Commercial & Light Municipal Applications – Ideal for drinking water purification, food and beverage processing, and boiler feed water treatment ✔️ Reliable & Long-Lasting – Built for extended membrane life with minimal maintenance ✔️ Easy Replacement & Maintenance – Seamlessly integrates into existing RO systems The DuPont FilmTec XLE-4021 4" replacement membrane is the perfect solution for energy-efficient reverse osmosis filtration, offering high water production, reduced operating costs, and superior contaminant removal for industrial and commercial applications.