- 3M HF8-S
- 3M 55821-13
- Cuno 55821-13
- Cuno HF8-S
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.
Cuno® is registered trademarks of their respective holders.
American Filter Company and AmericanFilterCompany.com are not affiliated with Cuno®.
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.