Hydranautics ESPA4 LD 4040 – 4" Reverse Osmosis Membrane

The Hydranautics ESPA4 LD 4040 is a high-performance 4" replacement membrane, engineered for low-energy reverse osmosis (RO) applications that require high salt rejection with reduced operational costs. Designed with Low Differential (LD) Technology, this membrane minimizes fouling and scaling, improving system efficiency and extending membrane life. Ideal for industrial, commercial, and municipal water treatment, the ESPA4 LD 4040 ensures high-purity water production with lower energy consumption. Key Features: ✔️ 4" Diameter – Standard size for mid-capacity reverse osmosis systems ✔️ Hydranautics Technology – Industry-leading membrane for high-efficiency desalination ✔️ Low-Energy (ESPA4) Design – Optimized for lower operating pressure, reducing energy costs ✔️ Low Differential Pressure (LD) Technology – Minimizes fouling, scaling, and maintenance requirements ✔️ High Salt Rejection – Effectively removes dissolved solids, contaminants, and impurities ✔️ Optimized Flow Performance – Delivers high water output while maintaining energy efficiency ✔️ Thin-Film Composite (TFC) Structure – Ensures durability and long-term filtration performance ✔️ Industrial, Commercial & Municipal Applications – Ideal for drinking water purification, wastewater reclamation, and process water treatment ✔️ Reliable & Long-Lasting – Designed for extended membrane life with minimal maintenance ✔️ Easy Replacement & Maintenance – Seamlessly integrates into existing RO systems The Hydranautics ESPA4 LD 4040 4" replacement membrane is the ideal solution for high-efficiency, low-energy reverse osmosis filtration, providing optimal water production, energy savings, and long-term operational reliability for industrial and commercial applications.