HRTFILTERS 2 Pack 25 Micron 4 Inch Ring by 15 Inch Long Felt Filter Socks - Liquid Fabric Filter Bag (25 Micron/um 4" Ring)

• PRACTICAL AND VERSATILE: 4" x 15" felt filter sock with 4 inch diameter plastic ring that fits in most sump holders for easy suspension and all filtration needs. Can effectively remove a large number of solid particles contained in the liquid pollutants, solving a variety of filtration problems.
• IMPROVE WATER QUALITY- Micron fibers felt filter bags provide excellent mechanical filtration, which helps reduce the amount of ammonia-producing organic matter in your aquarium by trapping debris which also helps prevent large and small object like sand and coral from damaging aquarium equipment.
• HIGH QUALITY AND REUSABLE - Solid construction and heavy duty indentation stitching socks strong and durable so they can be reused numrous times.
• MATERIAL ADVANTAGE - Anti weak acid, strong alkali, solvent, oil and water microbial, high temperature resistance.Suitable for aquarium, fish tank, beverages, bio diesel,chemical industry, etc.
• SATISFACTION GUANRANTEE - We are the preferred supplier of liquid filters, bag filters and accessories，we are committed to our 100 Percent custmos satisfaction,If you find that you are not satisfied with us or our products, please feel free to contact us and we will do whatever it takes to make sure you are 100 Pecent satisfied.

Material: Made of high quanlity Polypropylene (PP) Size(Ring Diameter*Long Length): 4 inch x 15 inch Available in 1,5,10,25,50,75,100,150,200 Micron Packing Quantity: 2 Pack Filter Sock(Total 2 Pieces) Kindly Tips:"Porosity" is defined by nominal micron ratings (1, 5,10,25,50,75,100,150,200) indicating the largest particle that can pass through, in general, and reflecting an increase in the density. 1Micron mesh very small,200Micron mesh more wider.