The Hagen 90202 is the correct replacement filter for the following drinking fountains:
The Dogit Alfresco Fountain Filter Cartridges - 2 Pack is a set of replacement filters for the Dogit Design Dog Alfresco Outdoor/Indoor Drinking Fountain. This two pack of pet drinking fountain replacement filters traps impurities such as debris, food, hair, and sediment. The activated carbon of these Dogit Alfresco filters abosrbs water impurities, leaving your pet with great tasting drinking water.
Dogit Alfresco Fountain Filter Cartridges - 2 Pack specifications: