Optimal Purity & Performance: The Max Water 4" x 21" SW-4021 RO Membrane is engineered to deliver exceptional water quality, producing up to 950 GPD (max) & 750 GPD (avg) permeate. It features a remarkable Upto 99.7% impurity rejection rate and operates effectively at a maximum Operation pressure of 1000 psi, Recommended Pressure is 800 psi. Unmatched Purity and Performance: The Max Water 4" x 21" SW-4021 RO Membrane delivers stable, high rejection of contaminants from high TDS water sources, effectively filters particles down to 1/10,000th of a micron and filtering 99.5% of impurities—including organic, inorganic contaminants, and chemicals—while purifying approximately 20% more water compared to competitive systems. Salt concentration of 15000-40000 PPM Versatile & High Capacity: The Max Water 4" x 21" SW-4021 RO Desalination Membrane is designed as a universal filter for Hospitality, Food & Beverages, Pharmaceutical and Municipal Water Treatment, the SW-4021 membrane delivers a robust capacity. These commercial membranes come in industry standard configurations to easily fit into existing or new Commercial RO systems. Durable & Long-Lasting: Shipped dry in a sealed package to maintain peak condition, the SW-4021 Membrane is built for durability, with a life expectancy of 1-3 years based on water quality, temperature, and pressure. Constructed from BPA-free components, it ensures safety for all water filtration needs. Note: RO membranes are designed to eliminate contaminants such as heavy metals, minerals, herbicides, and salt from water. Their lifespan can be prolonged by using softened water and performing routine chemical cleaning. However, extremely hard water or water containing solid particles can cause significant fouling, necessitating membrane replacement every 1 to 3 months. Trusted Expertise: With 15+ years of experience, we help you choose the perfect membrane for your water needs. Each membrane has a unique purpose and our expert guidance ensures you make the right choice. We also offer excellent post-sale support for installation, maintenance & troubleshooting. Let us make the process simpler-contact us today for an absolutely hassle-free, no-loss purchase for both parties. Introducing the range of Membrane Element for sea water & Brackish Water - Industrial, Pharma, Boiler, Agricultural, Whole House an exceptional solution for water treatment needs. This advanced filtration technology is built to provide consistent and reliable results, delivering clean and safe water for a range of applications. Designed to operate at a maximum pressure of 1200psi (8.28MPa), the SW series Membrane Element is ideal for high-pressure applications. Its maximum feedwater flow of 6gpm (1.4 m3/h) and maximum feedwater temperature of 45℃ make it perfect for industrial, commercial, and residential settings. The SW series Membrane Element is engineered to operate with a feedwater SDI15 of up to 5, making it effective in removing suspended solids and other contaminants from the water source. These wide pH ranges ensure that various cleaning agents can be used without causing damage to the membrane element. Additionally, the maximum pressure drop per element is 15psi (0.1MPa), enabling a consistent flow rate and preventing clogging. In summary, the SW2540 Membrane Element is an exceptional solution for your water treatment needs.