About This

• Package Includes:4Pcs removable sponges, with 4Pcs 1.38inch suction cups and 80g biofilter media balls
• Material: biochemical cotton material, does not release harmful substances, does not affect the water quality. Strong resilience, durable and easy to clean
• Efficient Physical Filtration: 7-layer shape, can effectively intercept fish waste, bait and other large particles.
• Bio-culture hotbed: The porous structure provides a large number of attachment surfaces for nitrifying bacteria and promotes biological filtration.
• Silent and shock-absorbing: Reduce the noise of water impact, especially suitable for indoor quiet environment.