How to Change the Filter in the 60 oz and 90 oz PetSafe® Outlast™ Fountain

Important Information

Your fountain will begin blinking blue when it is time to change the filter. This automatic filter reminder is on a 21-day timer. You may choose to turn this reminder off. For detailed instructions, visit our article How to Turn ON/OFF the Status Light on My PetSafe® Outlast™ Fountain.

Replacement filters can be purchased on PetSafe®.com.


We recommend cleaning the fountain before replacing the filter. For detailed instructions, visit our article How to Disassemble & Clean My PetSafe® Outlast™ Fountain.

Unplug Cord From FountainUnplug Cord From Fountain

Unplug the fountain and wait for the motor to stop spinning.

Remove Lid AssemblyRemove Lid Assembly

Lift up on the lid to remove the lid, cone, and spout assembly. Then remove the bowl tray and pour out the water from the fountain.

Remove FilterRemove Filter

Remove the old filter by pulling up on the tab. Discard the old filter.

Slide New Filter Into SlotSlide New Filter Into Slot

Rinse the new carbon filter thoroughly under cold water to remove any loose carbon dust. Insert the new filter by holding the tab on top and sliding it into the slot in the tower towards the bowl. The filter is reversible, so it does not matter which direction the filter faces.

Install Lid AssemblyInstall Lid Assembly

Replace the lid, cone, and spout assembly aligning the spout with the cutout on the tower.

Fill Fountain with Water with Tray in PlaceFill Fountain with Water with Tray in Place

With the tray in place, fill the bowl slowly with water to the ledge where the white bowl meets the clear top. Only fill from the bowl, not the tower, to avoid motor damage. Do not overfill.


Contact Customer Care

If you need further assistance, please contact our customer care team.

Plug the power adaptor into the wall and then the base of the bowl.

We’d love your feedback on the page you just read!

Related Articles