This Waterdrop refrigerator filter, despite its affordable price, offers the best - a mix of prior filtration performance and important certifications from the well-known regulatory body in the industry - NSF 42 and NSF 372 certificates. Advanced filtration process, This Waterdrop refrigerator filter effectively filters off contaminants from your water. These include heavy metals, chlorine, copper, cadmium, VOCs, chromium, THM and other suspended particles tested by the third-party laboratory. While the impurities are reduced, every beneficial mineral in your water is kept, ensuring that your body functions properly. Replacement for filter models GSWF, GSWF3PK, GSWFDS, 100749-C, 100749C, 100810/A, 100810A, 215C1152P002, 238C2334P001, 35917-MN-1, AP3418061, Kenmore 46-9914, 469914, 9914, AP3418061, WR17X11608, EFF-6023A. Perfect fit, This Waterdrop refrigerator filter replacement is made from an advanced industrial automation system and a precision measurement technology that ensures that you get the same fit as the original. Moreover, you need no tool to install this refrigerator water filter. Just follow the installation guidelines we have provided and you will be done in minutes. BPA-free and food-grade materials, This is why we have used only safe materials in this refrigerator filter, as verified by the NSF 372 certification for lead-free materials.