Honritone 4 Inch Ring Nylon Mesh Filter Socks Bag 200 Micron by 14 Inch Long Aquarium Sump Water Filter Bags 3 Pack

The filter sock is made of high quality nylon , NMO - monofilament mesh nylon bag is easier to clean than felt filter socks . Strong 4 Inch Ring by 14 Inch Long , 4" X 14" Reusable Filter Bag . The nylon filter bag is 50-400Micron optional, 50 micron hole size is smaller , 400 micron is more bigger, depending on what substance you are filtering. Filter socks is great for using on your return pipe in your sump tank, and Used as mechanical filtration for any sumps and diy filters We promise Friendly Customer Service Satisfaction,We will do everything we can to make sure you are perfectly satisfied with your purchase.