The Replacement Water Ionizer Filter is a high-quality water filter made from coconut shell activated carbon, designed specifically for the Leveluk model SD501GH-N. It effectively removes chemicals from the water using an alkaline ionizer filtration method. Imported from Korea, Republic of, this filter ensures clean and safe drinking water by eliminating harmful contaminants. Perfect for maintaining a clean and fresh water supply in your kitchen or dining area. New without factory packaging. See pictures for details. Thanks for looking.