Crafted for optimal filtration, this aquarium replacement sponge ensures a and healthy aquatic . Its porous design effectively traps debris and particles, promoting crystal-clear water. Features -Color:Blue -Material:Sponge -Size:7.00X6.30X5.50cm/2.75X2.48X2.16in -Highefficiency filtration: effectively filters out impurities and particles, ensuring water for a better aquarium viewing experience -Strong adsorption capability: removes debris and microparticles, promoting a healthier -Durable sponge material: designed to resist deformation, offering longterm use and reducing the need for frequent replacements -Easy installation: compatible with various aquarium filtration systems, making setup and maintenance easy -Unique design: encourages the growth of beneficial bacteria, supporting a balanced aquatic Package list: 4 x aquarium filter sponge