The DOW FILMTEC LC LE-4040 membrane element utilizes advanced thin-film composite technology to provide superior water purification performance in challenging water conditions. Engineered for low-energy commercial applications, this membrane delivers consistent, high-quality water while minimizing operational costs.

• High salt rejection of 99.2% ensures superior water quality
• Low-pressure operation reduces energy consumption and operating costs
• Automated manufacturing process guarantees consistent performance and reliability
• Designed for harsh water conditions with SDI tolerance up to 5
• Hard fiberglass outer shell provides durability and structural integrity
• Ideal for medium-sized water treatment systems producing up to 10 gpm

• Polyamide thin-film composite membrane material
• 28 mil feed spacer thickness for optimal flow characteristics
• Drop-in element design for easy installation and maintenance
• Compatible with standard 4-inch pressure vessels
• Free chlorine tolerance: < 0.1 ppm

This membrane is specifically designed for brackish and tap water applications in commercial and industrial settings. Its low-energy design makes it particularly suitable for operations where energy efficiency and cost reduction are priorities, while maintaining high water quality standards.