Hopzab 8 Pack Aquarium Filter Sponge Pre Foam for Fish Tank Pump, High Density, Fits Most Filters, Ideal Mechanical Filtration & Accessories

Perfect Fit for Pre-Filters:This aquarium filter sponge has a single-hole design with dimensions of 8 x 4 cm . It’s an ideal replacement for pre-filter sponges, providing essential filtration for your fish tank filter system. High-Density & Durable Foam:Made from soft, safe, and high-density foam, these sponges offer excellent elasticity. The sponges won’t block the water flow, thanks to their fluffy inner structure, ensuring optimal water circulation in your tank. Effective Mechanical Filtration:This filter sponge traps debris, food particles, waste, and other impurities, preventing them from entering the filter. It helps maintain a cleaner, healthier aquarium environment by ensuring only clean water circulates. Easy to Install & Replace:Replacing the sponge is simple and hassle-free. These sponges are designed as a direct replacement for your pre-filter water inlet cover. Ideal for both freshwater and marine aquariums, it is a must-have aquarium accessory. Protects Your Fish and Shrimp:The anti-suction design of the sponge cover attaches securely to your filter’s water inlet. It prevents shrimp, fry, and smaller or weaker fish from being sucked into the filter, ensuring the safety of all aquatic life in your tank.