Fuhjythy 16 Pack 4 Inch Ring Filter Socks Aquarium Filter Bags forSump/Overflow forTank Sump Saltwater Freshwater

Satisfactory Working Performance: the sump filter sock can do well in filtering the debris, sand and sludge in your tank, to reduce the abrasion of your tank, thus prolong its service life Reliable Workmanship for Lasting Service: made of quality polypropylene, the 4 inch filter sock is tightly sewed, pliable and serviceable, which can be applied and washed for many times Appropriate Size for Most Sock Holders: designed with a size of , the aquarium filter sock is equipped with a plastic ring (. 4 inches in diameter), compatible with various water tanks Sufficient Quantity for Replacing: the package comes with 16 pieces of aquarium socks in white, enough to satisfy your using and replacing demands in To Create a Better Water Environment: characterized by interlocking micro-felt fibers, the sump socks can catch food residues, fish waste, decaying plants, dust and other floating particles, which can improve the water quality in the tank