DESIGNED FOR the 3M Aqua-Pure Whole House Sanitary Quick Change Water Filter System AP903. EASY TO REPLACE: Sanitary Quick Change (SQC) design allows for fast and easy change-outs of this filter without having to contact the filter media or the need for a filter wrench. CLEARLY GREAT WATER: This whole house water filter reduces sediment as well as chlorine taste and odor. NSF STANDARD 42 CERTIFIED: Certified to reduce sediment by one of the world’s most respected independent certification organizations that helps protect the world’s food, water, consumer product and environment. Included Components: Water Filter Cartridge.