Perfectly Compatibility -- Perfectly compatible with Amway espring 100186 Water filter water filter cartridge,Advanced with technological innovation and excellent quality allows you to enjoy with healthier water. 6-Level Filtration -- A 6-layer combination of filter mesh, non-woven fabric, and activated carbon that purifies water more safely and efficiently, providing 6 layers of protection for your and your family's health. Retaining Trace Elements -- the unique filtration system can effectively retain beneficial trace elements such as calcium and zinc in water while filtering out impurities. User Friendly Design -- You can easily remove old filter cartridges and install replacement ones in just a few minutes. The built-in manual provides guidance for use. Long Term Use -- This filter can be used for one year or its lifespan can be calculated based on 5000 liters of water.