Waterfilter Tree WLF-EF01 Universal Inline Filter for Refrigerator, ice Maker and Under Sink - 3 Pack Inline filter for  inch tube (specifically designed for refrigerator, ice-maker, and under the sink), uses compressed carbon block (Celanese technology) Easy installation through push-in and -out connector (no tools or professional knowledge required) Reduces chlorine, odor, contaminants, sediment, and particulates for better taste and healthier drinking water Manufactured in South Korea, highest quality performance (eliminates 98.4% of chlorine after 3-4 months average use) Alternative filter for GXRTDR, DA29-101051. WSE-100, IL-IM-01, WIC-6A, R200, DD-7098, EF-9603, K2533JJ, 5231JA2010A, 5231JA2010B, 5231JA2012A, WSI-1, USC100