VinDox Cat Pet Automatic Water Flower Fountain Filters, 16 Pack for 81 oz/2.4L

Brand New 16 Pack Replacement Filters Compatible with most 81oz/2.4L round pet fountain on market. Diameter of hollow circle is about 1.4 inch.Diameter of outer circle is about 5 inch. Filters consists of high-quality activated carbon and ion exchange resin to form a three-layer filtration system that can filter hair and residue, absorb odors, soften water and achieve good purification performance.