5-Inch Pet Water Fountain Filters 10-Pack - Activated Carbon Replacement for Cats & Dogs

Keep your furry friend hydrated with clean, fresh water using these replacement fountain filters. Designed to fit most 1.6L to 3L automatic water dispensers from brands like Wonder Creature, Comsmart, isYoung, MOSPRO, Beacon Pet, and many more (not compatible with CATIT, Aonboy, Toozey, ZEUS, or Homtyler). Each 5-inch filter features a 4-layer construction of cotton, activated carbon, and ion exchange resin to trap hair, impurities, heavy metals, and odors—ensuring your pet enjoys healthier water with every sip. Each filter lasts 1 to 2 weeks in summer and 2 to 4 weeks in winter; replace more often if multiple pets share the fountain. Before first use, simply soak the filter in water for 2 minutes then rinse thoroughly to prevent carbon dust from entering the water. This 10-pack offers a convenient supply at an affordable price, backed by friendly customer support for your peace of mind.

• ✓ Universal fit for 1.6L–3L pet fountains from popular brands (check size: 5-inch outer diameter, 1.5-inch inner diameter).
• ✓ 4-layer filtration removes hair, impurities, heavy metals, and unpleasant odors for healthier drinking water.
• ✓ Easy prep: soak in water for 2 minutes and rinse before first use to prevent carbon dust.
• ✓ Long-lasting: replace every 1–2 weeks in summer, 2–4 weeks in winter; more frequent changes for multi-pet homes.
• ✓ 10-pack value saves money and keeps your fountain running fresh for months.