ONECUTE Cat Fountain Replacement Filters, Upgraded 3.0, 10 Filters + 10 Sponges

ONECUTE Upgraded Filter Units 3.0 are replacement cat fountain filters designed to help keep fountain water clean, with compatibility for E VERSWEET 2S/3/3 Pro and Solo 2/Solo SE PURE DRINK fountains.

• 10 filters and 10 pre-filter sponges — provides replacement parts for both the filter and pre-filter stage.
• Four filtration components — address hair, food, chlorine, odors and heavy metals through separate filtering materials.
• About 5.5 inches (14 cm) across and 0.4 inches (1 cm) thick — sized for the compatible fountain filter compartment.
• Replace every 2 weeks in summer and every 4 weeks in winter as a starting schedule — helps you plan routine filter changes.
• Pre-filter sponges catch hair and debris — help prevent clogging and pump damage.

These replacement units are made for cat owners maintaining a compatible E VERSWEET PURE DRINK fountain. The filter and sponge work as a pair: the main filter addresses water impurities, while the pre-filter catches larger debris before it reaches the pump. This setup is useful for routine fountain upkeep, including homes where several cats share one fountain.

How does the four-part filter work?

The filter combines cotton non-woven fabric, activated carbon, ion exchange resin and an ABS grid to target different types of particles and water concerns. The cotton layer filters hair and food, while activated carbon particles remove chlorine and odors. Ion exchange resin filters heavy metals and improves taste, and the ABS grid helps keep hair and large particles from entering.

• Four distinct filtration components work on different impurities.
• The ion exchange resin is included to improve water taste.
• The ABS grid helps block larger material before it enters the fountain.

Which fountains do these replacement filters fit?

ONECUTE Filter Units 3.0 are compatible with E VERSWEET 2S, 3 and 3 Pro, as well as E VERSWEET Solo 2 and Solo SE PURE DRINK pet water fountains. The round filter measures about 5.5 inches (14 cm) in overall diameter, with a hollow center about 1 inch (2.54 cm) across and a thickness of about 0.4 inches (1 cm). Compare those dimensions with your fountain’s filter compartment when choosing replacements.

• Round design with a hollow center.
• Use with the compatible fountain models named above.

How often should I replace and prepare the filters?

Replace the filter every 2 weeks in summer and every 4 weeks in winter; a fountain shared by multiple cats may need more frequent changes. The actual timing depends on filter condition, and the fountain’s indicator light flashes when a replacement is needed. Reset the device after changing the filter.

• Before use, soak each filter in water for 10 minutes.
• Rinse thoroughly under running water to help prevent activated carbon dust from entering the fountain water.
• The included high-density pre-filter sponge catches hair and debris, helping prevent clogging and pump damage and prolonging pump life.

These replacement parts suit cat owners using one of the compatible E VERSWEET fountains who want a scheduled way to maintain filtration and catch debris before it reaches the pump. They are designed for the listed fountain models, with a round filter measuring about 5.5 inches (14 cm) across.