Key Features

• For 81oz/2.4L: ONLY COMPATIBLE WITH 81oz/2.4L PET FOUNTAIN. Outer diameter: 5inch, inside diameter: 1.4inch. Not compatible with 100oz/3L pet fountain. Please check your original cat water filter model before purchase.
• Including: 8-pack of pet fountain replacement filters with separate plastic sealed package.
• Material: Composed of a cotton layer,activated carbon and an ion exchange resin.They can filter hair, heavy metals, and improve the taste of the water so that pets can drink clean and fresh water, more healthier than other only have two filter materials.
• Guarding Pet Health: Our cat fountain filters provide clean, fresh water to your pet, which helps to increase water consumption and reduce the risk of urinary tract infections.
• Note: Rinse fiter with water before use. Replace fiter every 2-4 weeks.

Specifications