AQUANEAT 10pcs Aquarium Filter Media Bags, Fish Tank Coarse Mesh Bags with Plastic Zipper for Activated Carbon (3" x 4")

Features

• Dimension: 3”x4”. Hole size: 2mm, works for large filter media, allows water to flow through instantaneous;
• Good for use with bio balls, zeolite, ceramic media, rock, and crushed coral and any other aquarium filter media.
• Fit perfectly in a variety of filters including canister filters, power filters, sumps, wet/dry filters and pond filtration systems to hold media together and keep aquarium clean
• Plastic zipper design can be used for both freshwater and saltwater tank.
• These unique mesh filter bags are easy to fill and empty with top zipper design to keep filter media secure. Our bags are durable, washable, and can be reused.