4PCS Replacement Aquarium Biochemical Sponge for 15W Aquarium Filter, Aquarium Filter Sponges for Replacement

About this item

• 【Package & Application】4pcs biochemical sponges & 2pcs activated carbon cottons. The 15W filter sponge size is 3.7*2.2 in (9.4*5.6cm), suitable for replacing the media of the FEDOUR 15W internal filter (Asin: B0F1CH56MB).
• 【Physical and Biochemical Filtration】Each replacement filter sponge and activated carbon cottons 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 12-month warranty for our product. Contact our service team for any questions or concerns, we will solve your problem within 24 hours.