10pcs 127mm Water Filter Element for 2.6L Robot Pet Water Dispenser Please note that the package included the filter only. Des Filter cartridges are recommended to be changed every 30 days to achieve effective filtration results. The filter may be a little powdery when it leaves the factory, which is normal. The new filter is recommended to be second-hand after soaking in clean water for 2 minutes. Please note that the package included the filter exclusively.
