This filter sock is an essential tool for any aquarium enthusiast. It not only improves water clarity but also reduces the frequency of water changes, saving you time and effort. The cloth mesh is gentle on delicate fish and , making it and effective choice for all types of aquatic environments. Features - Color: White -Material:Plastic,cloth - Size: 25.00X10.00X10.00cm/9.82X3.93X3.93in -Optimal water clarity: ensures highefficiency filtration to keep your aquarium water crystal clear, enhancing the overall aesthetic -Sturdy and reusable: made from durable cloth, these filter socks are designed for longterm use and can be easily cleaned for repeated use -Fine particle capture: the bottom filter design effectively traps small particles, reducing the need for frequent water changes -Flexible compatibility: these filter socks are suitable for a variety of aquarium setups, providing adaptability in different fishkeeping environments -Simple to install: easy to set up, these filter socks improve your tank's ability, making aquarium maintenance simpler and more enjoyable Package list: 4 tank filter bags