Simplicity 4" & 7" Mesh & Felt Filter Socks

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Simplicity 200 Micron Filter Socks are essential for removing fine particles and debris from your aquarium water. Available in both mesh and felt options, these socks trap detritus before it breaks down, helping to maintain crystal-clear water and reduce nutrient buildup. Designed to fit most standard 4” and 7” filter sock holders, they’re perfect for use in sump filtration systems. Choose between mesh for quicker flow and easier cleaning or felt for finer filtration and longer service life. Show more