Compatible with automatic flower fountain and other of same size. Size: 5in(outer diameter), 1.5in(inner diameter).

Dual-action filters: Resin and active carbon. Resin can soften water and reduce the chance of lithiasis. Activated carbon can adsorb impurities and odour, keep the water fresh and clean.
Water quality can be removed by the three 3 types of filtration. The external cotton layer on each filter captures hair and debris.
Three steps of filtration can assure the quality of the water and enhance the taste of fresh water for your cats.

Specification:
Name: Cat water fountain filter
Inside material: Activated carbon, resin
Size: Outer diameter: 127mm/5in, inner diameter: 38mm/1.5in, thickness: 8mm/0.31in

Quantity : 2pcs

Note:
In order to ensure the water is clean, the filter should be replaced in time, please replace them within 2 to 4 weeks