FEDOUR 4PCS Replacement Aquarium Biochemical Sponge for 16W Aquarium Filter, Aquarium Filter Sponges for Replacement

• 【Package & Application】4pcs biochemical sponges. The 16W filter sponge size is 9.4*6.5cm (3.7in*2.6in ), suitable for replacing the media of the FEDOUR 16W internal filter (Asin: B0DM4WDQCH)
• 【Physical and Biochemical Filtration】Each replacement filter sponge has denser pores and a more flexible structure, which can filter impurities and decompose harmful substance in water, providing your fish with a good aquatic environment.
• 【Premium & Convenient】Made of high - quality materials, it has a longer service life and creates a fresh and clean living environment for your fish. All replacement filter pads are pre-cut, ensuring easy installation. Simply place the filter sponge into the filter chamber, and it will fit your fish tank filter perfectly.
• 【Maintenance】To ensure the filtration effect, please wash the sponge with aquarium water regularly, usually every 2-4 weeks. Replace the biochemical sponge regularly according to the actual use, usually every 3-6 months, and the replacement time can be extended if it is properly used and maintained.
• 【After-sales Support】 We provide a 24-month warranty for our product. Contact our service team for any questions or concerns, we will solve your problem within 24 hours.

Product description 【4 PCS Aquarium Submersible Filter Sponge Replacement for 078-16W Filter】Specifically designed for FEDOUR 16W internal filter (Asin: B0DM4WDQCH), these 9.4*6.5cm (3.7in*2.6in ) sponges allow hassle-free installation—simply place them into the filter chamber. Featuring dual-filtration (physical & biochemical), they trap uneaten food/feces via fine pores while supporting the nitrification system to decompose ammonia nitrogen, quickly clearing cloudy water. Made of high-elastic, compression-resistant materials with pre-cut design (no trimming needed), maintain by rinsing with tank water every 2-4 weeks and replace every 3-6 months. Directions The aquarium filter must be used completely submerged in water