Cats are notoriously poor drinkers. With the combination of the Hoopo drinking fountain Hydr and the Ultra Clean filters, that's a thing of the past!
Dimensions: 110mm x 60mm and 13g per piece.
Installation: Simply place in the water filter holder.
4-channel filtration: PP cotton / activated carbon / ion exchange resin / nanosilver particles.
Replacement: Replace the filter every 10 days for optimally clean water.