Description They are designed for personal or professional use, adoption of premium material, durable and practical, it features a good filter effect for fish tank. Easy to use and store, it will give you a comfortable using experience. Features -Color: White -Material: Polyester -Size: About 40.00X30.00X0.50cm/15.72X11.79X0.20inch -Filter bags are the best form of mechanical filtration for you to make your fish tank clean. -This is an essential part for wet/dry filter systems, sumps, and DIY filters. -Removes excess food, detritus, organic wastes, and other particulates to lower levels and other undesirable substances. -Used as mechanical filtration for any sumps and DIY filters, it will effectively clean your aquarium. -Our filter bags are reusable and water washable, which is durable for long time use. ilter bags are the best form of mechanical filtration for you to make your fish tank clean. This is an essential part for wet/dry filter systems, sumps, and DIY filters. Removes excess food, detritus, organic wastes, and other particulates to lower levels and other undesirable substances. Used as mechanical filtration for any sumps and DIY filters, it will effectively clean your aquarium. Our filter bags are reusable and water washable, which is durable for long time use.