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

Package & Application: 4pcs biochemical sponges included. The 4W filter sponge size is 7.5*3*2.3cm (3* 1.2 * 1in), suitable for replacing the media of the PYPABL 4W(10-75L) internal filter (B0FZSXB6QL) Physical and Biochemical Filtration: Each replacement filter sponge has denser pores and a flexible structure to provides 2 filtration performance—trapping debris and breaking down harmful substances to maintain a clean, healthy aquatic environment for fish Premium & Convenient: Made of high quality materials, long service life. All replacement sponges are pre-cut to ensure easy installation Maintenance: To ensure the filtration effect, please wash the sponge with aquarium water regularly, usually every 2-4 weeks. Please replace the biochemical sponge regularly according to the actual use, usually every 2-4 months, and the replacement time can be extended if it is properly used and maintained Customer 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