We have pet water fountain that we no longer use. It is used but plenty of life left in it. It has a filter but they can be bought on Amazon quite easily. Thanks for reading.
Catit Original Flower Fountain with Water Level Window, 3 Litre
I have tried to upload a photo but it just shows a circle going round and round, gave up after 10 minutes.
Cat/Small Dog Water Fountain Linden GL 1 (Linden GL1)
This offer has been gifted to someone and is no longer available.