Unused open box condition. Inline filtration – Filtered ice for your beverages IAPMO certified – Brings better tasting water and ice to your home by reducing chlorine taste and odor and sediment Compatible with refrigerators without built-in filtration – Easily attaches directly to existing refrigerator/icemaker water line in select GE side-by-side and top-freezer refrigerators 5 year filter life – Filter should be replaced every 5 years or 5, 250 gallons for best filtration results