BestParts 20 Pack 4 Inch Ring Filter Socks 200 μm 8 Inch Long Aquarium Filter Bags Aquarium Socks for Tank Sump Saltwater Freshwater(8 x 4 inches)

Description :Model Type: 200 Micron Nylon Filter Sock, 4-inch Ring, 8-inch LongFeature: 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.Advantage: Solid construction and heavy duty stitching make these socks strong and durable so they can be cleaned and reused numerous times.-- Bring clarity to your aquarium with our professional grade micron filtration sock.-- Micron filter socks are an essential part to keeping aquarium water clear and clean.

• Size: 4 Inch Diameter Plastic Ring,8 Inch Short Bag .
• Materials: Felt socks or nylon socks , choosed by your requirement.
• Advantage: Micron rating : Available in 200 micron (0.2 mm)
• Application: Used for Acquarium fish tank hydroponic system fillter .
• Package Quantity: Pack of 20