Product review (5 stars): Fits Samsung model # RF25HMEDBSR/AA  2018
Fits Samsung 2018  two top doors and two lower drawers refrigerator model # RF25HMEDBSR/AA.
installed by turning off water supply, and pressing water glass against dispenser to relieve water pressure in the refrigerator. twisted and pulled out old filter inserted new filter and twisted to seal  New filter did not leak.  The new filter head exactly matched the replaced Samsung filter. The water tasted good.