Performance: Built to NSF/ANSI Standard. Contaminant Reduction: Sediment, Dirt, Rust and Particulate. Details: 3M® AquaPure® AP910R Comparable Filters by American Filter Company™ brand. Compatible with: AP902 56211-01 56210-01 AP910R VERY IMPORTANT: Please CONFIRM FITMENT - Filter dimensions 21″ Tall X 4.5″ Wide Disclaimer: Do not use this filter with water that is Hot. Do not use the filter with water that is microbiologically unsafe or of unknown quantity. DO NOT use this filter longer than its intended 12 Month use. Doing so may result in leaks and water damage. 3M® is a registered trademark of 3M Company. Aqua-Pure® is a registered trademark of 3M Company. 3M® and Aqua-Pure® are registered trademarks of their respective holders. American Filter Company and AmericanFilterCompany.com are not affiliated with 3M® and Aqua-Pure®. Install Instructions: 1. Turn off Water Supply 2. Remove existing filter. 3. Install new filter in head and turn till locked. 4. Turn on Water Supply. 5. Check for leaks. 6. Flush system for 3-5 Minutes.