4-Piece High-Density Fountain Pre-Filter Sponges – Universal Foam Replacement Set
Quantity
Extend the life of your pet’s water fountain and ensure a cleaner drinking experience with the ultimate secondary defense system. These High-Density Fountain Pre-Filter Sponges are designed to sit around the water pump, acting as a critical mechanical barrier that traps large debris before it can clog the motor. By filtering out hair, food particles, and sediment, these replacement foam filters protect your fountain's internal components, ensuring a quiet, consistent water flow. It is the most cost-effective way to maintain your 85oz/2.5L cat water fountain, keeping the water sparkling and your pump running like new for years to come.
Key Features
Pump Protection Shield: Specifically engineered to capture pet fur, dust, and food remains, acting as a fountain pump pre-filter that prevents motor burnout and noisy operation.
High-Density Foam Construction: Made from premium, medical-grade porous sponge that allows for maximum water flow while maintaining superior filtration efficiency.
Universal 2.5L Compatibility: Designed to fit perfectly in most standard 85oz (2.5L) pet water dispensers, providing a snug seal around the intake area.
Safe & Non-Toxic Material: Crafted from 100% BPA-free, pet-safe materials that won't leach chemicals or affect the taste of your pet's water.
Why Choose Our Fountain Filter Sponges
While primary carbon filters handle odors and chemicals, these foam cotton replacements handle the "heavy lifting" of mechanical cleaning. Without a quality pre-filter, hair and sludge can wrap around the pump impeller, leading to permanent damage. Our sponges are easy to rinse and reuse, but having this 4-piece set ensures you always have a fresh, sterile replacement ready to go, maintaining a high standard of pure pet hydration and hygiene.
Perfect For
Owners of 2.5L (85oz) square or round pet water fountains.
Multi-cat households where fur and debris accumulate quickly in the water tray.
Extending the lifespan of fountain pumps by preventing blockages and overheating.
Product Specs
Material: High-Density Porous Filter Sponge
Quantity: 4 Pieces per pack
Compatibility: 85oz / 2.5L Pet Water Fountains
Maintenance: Rinse every week; replace every 1–2 months depending on use




















