Authoritative Certifications- Pursuing Excellent Quality. This filter is NSF/ANSI 53 certified by WQA and IAPMO for Heavy Metal reduction. Lead causes harm to multiple systems including nerves, hematopoiesis, digestion, kidneys, cardiovascular, and endocrine. This filter reduces 99.6% Lead. This filter is also certified for NSF/ANSI 42 low lead, European EC-1935/2016, ROHS, REACH, BPA-Free, TUV, and Australian Water Mark. You never compromise on product quality for your loved ones, we either. Premium Materials- Top coconut shell activated carbon Certified by authorities. Unlike some low-end filtration products that use coal-based activated carbon and apricot shell activated carbon, All the products of ICEPURE filter material are 100% selected coconut shell activated carbon, which has a larger specific surface area, more micropores, and more cleaner. High Efficiency Filtration Performance - The refrigerator water filter has a strong adsorption capacity. It can effectively reduce Chlorine, Bad Taste, Organic Compounds, Odor, Particulate Class I, Rust, and other solid particles in the water. It can also remove Cysts, Lead, Heavy metal impurities, etc. which helps to improve the taste and clarity of drinking water. Long Lasting Filtration - We recommend that you replace the refrigerator water filter every 6 months or after filtering 300 gallons of water (depending on the quality of the water and the amount filtered), to keep the filter in optimal condition and ensure that you can continuously enjoy clean and fresh water. Easy Installation, No Leakage - The ICEPURE refrigerator water filter is made with high-precision technology and premium materials, and has undergone strict testing. It is dedicated to providing reliable leak-proof performance. No tools are required for installation, and it is simple and quick to set up. You can complete the replacement in just three steps and it will perfectly match your refrigerator, allowing you to enjoy clean drinking water effortlessly. Compatible Models - WHIRLPOOL 4396508, 4396508p, edr5rxd1, 4396510, nlc240v, 4392857, rfc0500a, wsw-1, lc400v, nl240v, sgf-w80, 8212491, nl300, 4396509, wf-nlc240v, aqf-4396508, 469010, 469010p, pnl240v, wfnl300, 4396547, wf285, ksz6t9500, 2203980, wsl2, wfnl240v, wfnl240, nl240, 4396918, 2255518. ICEPURE PLUS is an independent brand. Fit Models-AQUA CREST AQF-4396508, Denali Pure WF-4396508, PWF-NL240V, WE-NLC240V, PUR NLC240V, Pure Line PL-600, PP-RWF0500A, Clear Choice CLCH100, HDX FMW-2, Refresh R-9010, WaterSentinel WSW-2, Tier1 RWF1020, Waterfall Filter WFC1001, Aqua Fresh WF285, EXCELPURE EP-4396508, Odoga WFEK00008, EcoAqua EFF-6002A, FilterLogic FL-RF02, One Purify RFC0500A, WD-4396508,RFC0500A.