All measurements should be in inches. Please be sure to be as accurate as possible with all your measurements to assure a proper fit. Measurements should be within 1/16 of an inch.
1. Measure the outside diameter of your filter cartridge (measurement A).
2. Measure the length of the your filter cartridge (measurement B). Measurements should include the end caps but do not include any handles, threads, etc.
3. If your filter cartridge has an opening in the top and/or bottom measure the diameter of the opening.
4. Please view our end cap images to be sure the filter cartridge you are ordering has the correct end cap configuration.
5. If possible, also attempt to match up any part #'s that may be on your old filter cartridge.
6. If you are still having trouble locating your filter cartridge please Contact Us.