MARRIOTTO MR-XWF Filter Statement: Material and Build Quality and Performance Tested to Meet NSF42 Standards. Independently verified by laboratory testing, the MR-XWF refrigerator water filter eliminates 97.9%* of chlorine and enhances the taste and odor of water.
Accessing NSF 42 Standard details: Visit NSF's database, search for the manufacturer "Ningbo Pureza Technology, LLC" and model number "MR-XWF". If you discover that the product lacks NSF42 certification, you may file a claim worth ten times the purchase amount; please note that this claim is related to MARRIOTTO and not NSF.
Ensuring a Perfect, Leak-proof Installation: The MR9 XWF filter is designed to fit GE side-by-side refrigerators without the need for tools, offering a reliable alternative to the GE XWF filter. (MARRIOTTO is an independent brand; this product is not manufactured by GE).
Filter Lifespan: Replace the filter every 6 months or 200 gallons, whichever comes first.