Aquarium Filter Socks, 2Pcs 200 Micron 4X9.5Inch Fish Tank Filter Bags Aquarium Felt Filter Sock For Freshwater Aquarium Sump Overflow Box Aquarium Ponds

[Premium Material 3D Hive] The 200 micron filter sock is made of 3D woven mesh. 3D honeycomb structure can effectively intercept the impurities in the fish tank water. And the mesh bag internal meticulous high density has good permeability can be efficient filtration at the same time will not clog. [Powerful Effective Filtration] Our aquarium filter socks are designed to simulate the environment of a wetland by adding fleece to the interior which not only filters impurities in the water such as rust sediment algae fish waste etc. but there is also a muffling effect. [Easy to Use] This filter sock can be used as the first layer of filtration to intercept impurities for 40 gallon tank.The solid and durable material allows our aquarium filter socks to be repeatedly cleaned and used and is suitable for freshwater aquarium sump overflow box aquarium ponds. [Perfect Choice for Fish Tank] Are you still worried about the water in your fish tank turning yellow having green algae and emitting a fishy smell Our aquarium filter socks can help you solve your troubles! Note:The filter socks are not suitable for the Red Sea! [Warranty Customer Service] You can get 2Pcs aquarium filter socks in the package. It is a professional filtration accessory recommended for use in aquarium supplies. Please just wash it with water before use. If you have any questions and dissatisfaction with our products please feel free to contact us we will do our best to give you satisfactory service!