MiOYOOW Filter Socks, 2PCS/ 4PCS 3D Design Sock Aquarium Bags for Fish Tank Sump Saltwater Freshwater

【Premium Material】: Using polymer fiber cotton for hot pressing molding, it can effectively intercept the impurities in the fish tank water. And the inner fuzz of the filter bag can reduce noise, filter impurities, and adsorb small particles. 【Multiple Filtering】: The filter mesh bag has a three-layer filter cloth structure, with a thickened and encrypted design in the middle, and orderly filtering of coarse and fine materials. The first layer filters and intercepts debris, and the second layer cultivates active substance; Third layer secondary filtration of fine impurities. 【Reusable】: Highly permeable, not easily clogged, can be cleaned and reused numerous time. 【Function】: Filter purify water, remove substances such as ammonia nitrogen and nitrate, and solve problems such as yellowish and turbid water quality. 【After-sale Service】: If you have any problems during the purchase and use process, please contact us and we will help you solve them within 1 working day.