Genuine Multipure solid carbon block filters offer broad performance certifications, superior capabilities, and exceptional quality backed by robust third-party NSF certification. Ensure the optimal performance and lifetime warranty of your Multipure Drinking Water System by always using genuine Multipure replacement filters. NSF-certified to reduce the broadest array of contaminants under NSF/ANSI Standard 42 (Aesthetic Effects), Standard 53 (Health Effects), and Standard 401 (Emerging Compounds). Filters contaminants that affect the color, taste, odor, and healthfulness of your water. Developed, produced, and refined in the USA for over 40 years. You can save up to 15% by signing up for our auto filter reorder program. Compatible with the following Multipure Drinking Water Systems: Aquadome (AQDOME and MPAD). NOTE: Filters will only fit in Multipure units listed in product details and you need to own one of the systems. We ship to valid US addresses only and do not ship to reshipper addresses. If you have not ordered from us before, we will contact you to verify the unit you own due to our 30% restocking fees on all returns we have on Amazon. Even though we have listed the above product model numbers our filters go into, we still have customers ordering the incorrect filter or are on our auto shipment program. We value our customer service since and want to avoid any costly return fees to our customers. If you have any questions regarding our products, please contact us directly.