Honritone 5Pack Nylon Mesh Filter Socks NMO 50/100 / 200/300 / 400 Micron - 7 Inch Ring by 18 Inch Long - Water Liquid Filter Bags for Aquarium, Industrial (400 Micron 7 x 18 inch Nylon Mesh Bag)

High Quality - This filter sock is made from high quality nylon,strong, durable mesh screen, and then use heavy stitching to make durable filter bags.Monofilament mesh bags provide extra strength and abrasion resistance。 Easy to clean and reuse - our heavy mesh filter socks are cleaned and reused many times. Multipurpose - Perfect for using on your return pipe in your sump tank, and Used as mechanical filtration for any sumps and diy filters Removes excess food, detritus, organic wastes, and other particulates to lower ammonia levels and other undesirable substances. Suitable for use with aquariums.7 inch Plastic Ring filter sock that works with most sump holders, The ring contains two handles for easy removal and cleaning.