HRTFILTERS Nylon Mesh Monofilament Filter Socks Bag 400 Micron 4 Inch Ring by 14 Inch Long Aquarium Sump Water Filter Bags - 3 Pack (400 Micron 4" x 14")

• 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 plastic ring by 14 Inch Long Bag, 4" X 14" Reusable Filter Bag .
• The nylon filter bag is 400 Micron optional, 50 micron hole size is smaller , 500 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.
• Package includes 3 filter socks. Regular use will result in crystal clear water most convenient form of mechanical filtration. Filter sock can be cleaned and reused many times.

Material : High Quality Nylon Package Included : 3 Pack (Total 3 Pieces) NMO - MONOFILAMENT MESH (NYLON) This is an essential part for wet/dry filter systems, sumps, and diy filters. A two-dimensional square of woven mesh fabric used for lower solids or higher accuracy screening and classification of solids. Made from a smooth uniform, one piece extruded thread woven into a screen with high accuracy and consistency. Used for exact separation. Contaminant particles are contained within the media by inpingment and entrapment. "Porosity" is defined by nominal micron ratings ( 50Micron, 75Micron, 100Micron, 150Micron, 200Micron, 300Micron, 400Micron, 500Micron,Mesh from small to large ). (50micron mesh smaller than 75Micron ,500micron mesh larger than 400Micron).