BLUE DONUTS BD3897106 Aquarium Filter Sock 200 Micron 4 inch ring by 8 inch

Filter socks provide excellent automatic filtration, which helps to reduce the amount of ammonia creating substance matter in your aquarium by trapping debris. Aquarium filter sock is made of 200 micron material which can be cleaned and reused numerous times. Our filter sock is an impressive 200 Micron, which means it will catch significantly more debris than other filter socks you will find.
Reusable Aquarium Filter Sock: The material, craftsmanship and fact that it is 200 Microns means you can use our filter sock over and over without worrying about discarding it like most of the others. 4 Inch Ring
Filter Sock: The ring is made of durable plastic that will fit most sump holders on the market. Works with all the major brands.
Easy to Grab Handle: Conveniently placed, easy to grab plastic handle on filter sock allows to easily change filter socks.
Clean Aquarium: The experts will tell you that the key to reducing nitrates and phosphates, which result in unpleasant algae growth and bacteria, is by keeping it clean and trapping debris and excess waste, leading to a healthy and happy fish tank!