High-Density Aquarium Filter Sponge Easy To Wash Aquarium Filter Cotton Mat

Label:Yes Size: 50*12*2cm(19.69*4.72*0.79in) Color:Black Material:Biochemical cotton Brand New and High Quality Type:Aquarium Sponge Style: Small hole

Package Include: 1 x Sponge

Features: 1. High Shading: the moderate elastic density has good shading and can reduce algae breeding. 2. Bacteria Nitrifying: the moderate size of pores are conducive to the cultivation of high-density nitrifying bacteria. 3. Filter: the biochemical cotton has the best effect on decomposing excrement and feed residue, improving water quality and reducing the mortality of fish. 4. Thickened Fabric: it is durable and high water permeability, and it is more effective decomposition of impurities in water. 5. Economic: compared with the common sponge, this biochemical cotton sponge is washable and can be used repeatedly.

Tips: 1.Due to the light and monitors effect, colors may have lightly difference. 2.Please allow slightly size errors due to manual measurement. Thank you for your understanding!