2Pcs Replacement for Samsung DA29-10105J HAFEX / EXP WSF-100, DA99 02131B, EF9603, HAIER LG Refrigerator Certified Quality: This filter is double-certified NSF/ANSI 42 and 372 lead-free by NSF and IAPMO, removing 99% of chlorine, odors, and significantly improving water taste. It also holds certifications from TUV, ROHS, REACH, is BPA-free, and carries the Australian Water Mark. Choose only authoritatively certified products for your loved ones. Innovative Multi-Layer Filtration: Integrated molding technology provides various levels of filtration efficiency to remove different contaminants. Superior Filtration: The 0.5-micron inner layer effectively removes 99.99% of cysts, meeting the special reduction class I standard. This filter retains beneficial minerals in the water, promoting healthy hydration. Compatible Models: GXRTDR, IC-100A, HAFEX/EXP, WFRF-104, WHKF-IMTO, WSE-100, IL-IM-01, WIC-6A, R200, DD-7098, EF-9603, K2533JJ, 5231JA2010A, 5231JA2010B, 5231JA2012A, WSI-1, USC100. [Product Specifications] Capacity: 5300 liters Service life: 6 months/1400 gallons Operating temperature: minimum 33 °F (0.6 ℃)/maximum 100 °F (38 ℃) Operating pressure: minimum 140kPa (20psi)/maximum 689kPa (100 psi) To achieve optimal performance, it is recommended to replace the filter every 5300 liters or every 6 months, whichever occurs first. This filter is an external filter designed to connect to a 1/4-inch tube at the back of your device. It has a wide range of compatibility.