Biochemical sponge for aquariums, filtration accessories for aquariums, single-head ultrasonic air pump for aquariums, foam filter.

Biochemical sponge: Made from food-grade materials, it is completely safe and easy to clean. Its reservoir has a capacity of 75 liters. Biochemical sponge: It offers excellent biofiltration, is quiet, and ensures good water circulation. Dimensions: Depth 4.8 cm x Height 7.8 cm, inner diameter: 1.5 cm. This replacement sponge is perfectly suited for sponge filters. It improves biological transport capacity, reduces maintenance, increases oxygen levels, creates an ideal environment for bacterial reproduction, and helps maintain aquarium cleanliness. Large biochemical sponge for raising fish, fry, goldfish, juveniles, shrimp, small fish, and breeding aquariums. Recommendation: Replace every 5 to 6 months. Quantity: 4. We are committed to providing excellent customer service. Whatever problems you may encounter, our professional team will do everything possible to resolve them and ensure you have a pleasant shopping experience.