8 Pack Replacement Filters with 8 Pack Pump Filters for SIBAYS 355oz/2.8Gal/10.5L Dog Water FountainAll water fountain filters are food grade: Made of all natural coconut shell activacted carbon and superior PP cotton, keep the water clean and fresh. You will receive 8 packs of pet fountain filters and 8 packs of high-density sponge filters for pump.

Every drop of water is filtered through 4-layer ultrafiltration, efficiently removing hair, food residue, dust, odor, heavy metals from the water, while maintaining water quality and boosting oxygen levels. Please soak cat water fountain filter for 5 minutes and rinse for 30 seconds before use.

Note: For your pets health, its recommended to replace the filter and pump sponge every 2 weeks. If you have multiple pets, it is recommended to change the filter more often.