For NSF 42: Certlficate C0791840, by NSF Intemational, 2023. Compatible - Works with Whirlpool EDR2RXD1 water filter , Everydrop Filter 2, Simple replacement, install in seconds, no special tools required 99% Filtration - Natural taste, removes chlorine, odors, & suspended particles (NSF Certified), retains essential minerals for healthy, great-tasting water Leak-Proof - whirlpool EDR2RXD1 water filter replacement design ensures 100% leak-free operation. Lasts 6 months or 200 gallons, consistent filtration until replacement NSF Certified - EDR2RXD1 water filter replacement is strictly tested and certified by NSF/ANSI 42 and 372, effectively eliminating water impurities and retaining necessary beneficial minerals, strictly following high standards and ensuring home water health in all aspects Affordable excellence - edrarxd1 replacement water filter adopts premium Sri Lankan coconut shell carbon block, superior impurity removal. same quality, better value Note: Due to product packaging upgrade, you may receive the product in a different package. The product has the same effect and this product is 3PACKS. Please refer to the corresponding pictures for the applicable model of the product. ASIN B0CTMJ5NM4 Set Name 3-Pack Water Filter Set Brand Name YuanzaiMMCF Unit Count 3.0 Count Manufacturer YuanzaiMMCF Model Number W005 Material Type Lead-Free Material, Food-Grade Material, Advanced Activated Coconut Carbon Block Number of Items 3 Product Benefits Easy to install; Perfect fit; Fresh taste; Natural coconut shells from Sri Lanka; Zero leakage Manufacturer Part Number YuanzaiMMCF Item Dimensions D x W x H 2.5 D x 2.5 W x 8.69 H External Testing Certification NSF 42