Features: Advanced under sink water filter cartridge effectively removes impurities, delivering crystal clean drinking water for household use through its sedimentation technology. Compatibility design fits most refrigerator water filter systems, featuring plastic construction that ensures safe, long lasting filtration Ideal for busy homeowners and apartment dwellers seeking maintenance without professional installation requirements. Perfectly integrates with kitchen sink setups and appliance connection, providing purified water for cooking, drinking, and ice making in residential environments. This 20pcs replacement cartridge set offer extended service life while maintaining daily need. Specifications: Component:Plastic Size:Approx.1.5cm/0.59inch Package Includes: 20Pcs Water Filter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.