Overview Designed for sump filtration in saltwater, reef, and freshwater aquariums, the Aquatic Experts 4 inch Ring 100 Micron Felt Filter Sock delivers a refined barrier that helps keep water clear and aquarium life comfortable

These socks are custom-made to exact specifications, shaped by years of testing to ensure a trustworthy blueprint you can rely on for ongoing filtration

Why 100 Micron Filtration Matters Filtration at 100 microns captures much smaller particles than standard 200 micron options, contributing to noticeably clearer water and a more polished appearance in your tank

The trade-off is a tendency to clog more quickly, which means mindful maintenance can pay off with more consistent performance between cleanings

Durable, Reusable Construction Constructed with solid stitching and heavy‑duty material, these socks are built to be cleaned and reused many times

They are designed for reliable use in aquariums and sump configurations, helping you manage debris without frequent s

Note that these socks do not fit Red Sea filter systems

Safety and Quality Assurance Strict quality control ensures the socks remain aquarium-safe from our USA facility to your tank

You can purchase with confidence knowing the product is designed to minimize risk for aquatic life while delivering consistent filtration performance

Care and Included Guidance Professional cleaning instructions are included to help you maximize the life of each sock

Proper care supports repeated use and maintains filtration effectiveness, aligning with a practical, no-nonsense maintenance routine for busy aquarists

What You Get The 8-pack provides a ready supply for rotation and maintenance, helping you stay on top of filtration as part of regular tank care

The compact 4x14 inch format fits many standard filter sock housings, making setup straightforward for both new and seasoned hobbyists

FAQ Q: What filtration size is the sock and what benefit does it

A: The sock is 100 microns, catching finer particles for clearer water; it may clog faster than larger-pore socks

Q: Are these filter socks compatible with all filters

A: These are made to Aquatic Experts specs and do not fit Red Sea filters