- Traps hair and other debris in the water
- Provides your pet with cleaner, healthier water
- Prolongs the life and flow rate of the filter pump
- Bulk packaged to save you money and protect our environment
- Replace pre-filters every 2-4 weeks, depending on usage
6 new foam pre-filters made for the Drinkwell 360 plastic model pet water fountains. These pre-filters trap hair and other debris in the water, providing your pet with cleaner, healthier water, while also prolonging the life and flow rate of the filter pump. It is recommended to replace these every 2-4 weeks, depending on usage. Please note this is not the stainless steel model.