About This

• Filter Sponge Dimensions: 3.9 In * 2.3 In * 2.1 In, adjustable according to the length of the filter body.
• Biochemical Filter Sponge: The black biochemical filter sponge reduces odors and impurities in the aquarium, maintaining crystal-clear water.
• Usage Recommendation: Clean the filter sponge every 2 weeks and replace it every month for optimal filtration performance.
• Secondary Use: Discarded filter sponges can be used to scrub the aquarium walls, keeping them clean and tidy.