Seamless Replacement –100186 Water Filter Cartridge offers seamless compatible with Amway eSpring water filters, ensuring optimal performance for pure, refreshing water every day. High-Performance Filtration – Crafted with activated carbon and non-woven fabric, the filter removes particles as small as 1μm and reduces impurities to an accuracy of 0.2μm for improved water quality. Advanced Water Purification – This cartridge removes 99.9% of microscopic contaminants providing safe, purified water while allowing essential minerals to pass through for better. Quick & User-Friendly Installation: This replacement cartridge installs in minutes and provides one year or 5,000 litres of freshly filtered water for seamless installation and uninterrupted filtration. Reference OE Nu.