About This CERTIFIED PERFORMANCE: Certified to NSF-42, NSF-53, and NSF-401 standards, ensuring reliable filtration for safer, high-quality drinking water. EFFECTIVE CONTAMINANT REDUCTION: Removes lead, microplastics, cysts, chlorine, particulate class 1, and odor for cleaner, healthier water. PFAS REDUCTION: Tested and verified to reduce PFOA and PFOS, addressing two harmful PFAS chemicals for enhanced water safety. It complies with NSF-42, 53 and 401 standards. LONG-LASTING REPLACEMENT FILTER: Provides up to 3000 gallons of filtration, delivering consistent performance and peace of mind for users. IMPROVED TASTE AND SAFETY: The Sloan Drop Spot replacement filter enhances water quality by reducing contaminants, offering better-tasting, cleaner water for everyday use. Overview Material : Plastic Product Dimensions : 2.75"D x 2.75"W x 12.3"H Item Weight : 2 pounds External Testing Certification : NSF Product Benefits : Reduces Chlorine