Built to be able to treat up to 100,000 gallons of water, the AP904 3M Aqua-Pure carbon water filter is ideal for use in homes or light commercial applications where both hardness and scaling issues are causing issues. Made with durable and corrosion resistant material, this filter comes complete with an electronic change indicator and product protection, via a 25 year manufacturer warranty. It has a Sanitary Quick Change (SQC) design, an industry first for this application, allows for fast and easy cartridge change-outs without the need of a filter wrench. Protect your appliances and fixtures from issues related to water hardness by ordering the AP904 3M Aqua-Pure carbon water filter from us today!