[Notice] The newly upgraded filter features a tighter joint fit, better sealing performance, and a pull-down handle for easy removal and replacement. When installing the filter, if the lid cannot be closed, press down the filter hard to ensure proper installation, then the filter lid can be closed. And after replacing the filter each time, press the reset button on the refrigerator display to make the refrigerator recognize the new filter and avoid error prompts. Compatible with Refrigerator Models: W10295370A, FILTER 1, EDR1RXD1, EDR1RXD1B, WHR1RXD1, KAD1RXD1, P4RFWB, 46-9081, 46-9930, GSC25C4EYB00, GSC25C4EYB01, GSC25C4EYB02, GSC25C4EYW00, GSC25C4EYW01, GSC25C4EYW02, GSC25C4EYY00, GSC25C4EYY01, GSC25C4EYY02, GSC25C4EYY03, GSC25C5EYB00, GSC25C5EYB01 GSC25C5EYB02, GSC25C5EYW00, GSC25C5EYW01, GSC25C5EYW02, GSC25C5EYY00, GSC25C5EYY01, GSC25C5EYY02, GSC25C5EYY03, GSC25C6EYB00, GSC25C6EYB01 This Waterdrop WDP-F38 replacement water filter for Whirlpool refrigerator is comprehensively certified by NSF against NSF/ANSI 401, 53, 42 &372 Standards test from each component to the filter cartridge as a whole to achieve a supreme filtration performance. This filter has been strictly certified by NSF 401 to reduce phenytoin, naproxen, estrone and bisphenol A. Asides it has also been tested according to NSF/ANSI 53 standards to reduce lead, benzene, mercury, PFOA&PFOS in water. [Carefully chosen materials] Waterdrop uses coconut shell carbon blocks supplied from Sri Lanka that have enlarged surface area and more micropores than inferior carbon blocks. The filter cartridge is far more effective in reducing levels of chlorine, dirt, sediment, rust, and a wide range of heavy metals tested by a third-party laboratory. Based on our high attention to detail, we selected a BPA-free, food-grade housing for the filter that exceeds NSF 372 lead-free filtration certification. [Regular filter changes] If you run replacement filter past the recommended date, something could accumulate and filtration performance could suffer. Because of this, we supply a complimentary set of installation stickers with every filter so that you can see at a glance when it needs replacing. We recommend that you should replace your filter after it has been used for 200 gallons or 6 months (this may vary dependent on the water condition in your area). The Waterdrop brand is tried and trusted by more than 6 million US families to provide them with purer, cleaner, safer drinking water. We provide only high quality replacement filters that are certified as reducing a wide range of impurities by NSF 401, 53, 42 and 372. [Deep filtration] Waterdrop's refrigerator filters significantly reduce the levels of many different harmful substances in your water, including a 95.3% reduction in PFOA and PFOS tested by the third-party laboratory. Moreover, the filter additionally allows through many of the beneficial minerals in water that are essential for health. [Professional standards] Our expert teams pride themselves on not letting any product or part of a product, down to the smallest components, leave our factory unless we are satisfied that they have reached and exceeded the very highest market standards. Our dedication doesn't just apply within the factory: we have a customer service team ready to answer your questions and deal with any problems 24/7. [More than just a business] Waterdrop is passionate about providing clean water for as many people as possible with lower environmental impact. We use cowhide corrugated box packaging, reducing the wastage other companies create with their materials. A percentage of the purchase price from every one of our filters is used to fund projects providing clean, pure water for African children who don't have access to safe water supplies. [Pure Taste Activation]: Run water from the dispenser for 5 minutes at 0.5gpm (about 2.5 gallons) to clear the system and prevent sputtering. Replacement models: W10295370A, FILTER 1, EDR1RXD1, EDR1RXD1B, WHR1RXD1, KAD1RXD1, P4RFWB, 46-9081, 46-9930 Waterdrop Plus W10295370A Replacement for Filter 1, EDR1RXD1, EDR1RXD1B, P8RFWB2L, 46-9930, WDP-F38 Refrigerator Water Filter, 2 Pack EDR1RXD1 Water filter， whirlpool fridge water filter replacement，everydrop filter 1 whirlpool refrigerator GSC25C4EYB00, GSC25C4EYB01, GSC25C4EYB02, GSC25C4EYW00, GSC25C4EYW01, GSC25C4EYW02, GSC25C4EYY00, GSC25C4EYY01, GSC25C4EYY02, GSC25C4EYY03