Alfie Pet – Ailin 2-Piece Set 4In X 9In 300 Micron Aquarium Mesh Filter Bags

These 300 micron socks do not clog as quickly as smaller microns do yet they help ensure crystal clear water. Micron filter socks are an essential part to keeping aquarium water clear and clean. Bring clarity to your aquarium with our professional grade micron filtration sock. Solid construction and heavy duty stitching make these socks strong and durable so they can be cleaned and resued.Sizing:Measures 9.5L x 5.5W with 4 ring.