Biochemical sponge materials: made of food grade materials, completely safe and easy to clean, tank size up to 75 litres.
Biochemical sponge: excellent biological filtration, excellent noise, cyclic and clear water.
Dimensions: 4.8 cm D x 7.8 cm H, inner diameter of the sponge: 1.5 cm; Boxtech original sponges, replacement fits perfectly for Boxtech sponge filters.
Replacement sponge helps increase biological capacity and reduce maintenance. Increases oxygen, provides the ideal place for bacteria colonization. Helps to keep the aquarium cleaner.
Large biochemical sponge for imperial fish, roasts, goldfish, baby fish, shrimp, small fish, breeding tanks; suggestions: must be replaced every 5 to 6 months.