HRTFILTERS 100 Micron 4" Inch Ring by 9" Short Bag Filters Felt Filter Sock for Aquarium Marine Reef Sump (100 Micron/um 4 x 9 Inch)

PRACTICAL AND VERSATILE: 4 x 9 inch felt sock filter with 4" diameter plastic ring that fits in most sump holders for easy suspension and all filtration needs. Micron PP felt filter help fish or shrimp have a healthy and clean living environment. IMPROVE WATER QUALITY- Felt fibers Micron 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 stitching socks strong and durable so they can be cleaned and reused numrous times. You will receive 4 Pieces 4 inch by 9 inch long felt filter socks with a 4-inch diameter plastic ring that will fit most filter sump holders. MATERIAL ADVANTAGE - Anti weak acid, strong alkali, solvent, oil and water microbial, high temperature resistance.Suitable for aquarium, fish tank, beverages, 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.