Marine Color Acrylic Prefilter Sock Holder with 4 Inch 200 Micron Filter Bag, Aquarium Sump Mount System, Reef Tank Filter Sock Bracket for Marine and Freshwater Filtration

Acrylic prefilter sock holder designed for aquarium sump filtration systems, includes one 200 micron felt filter bag.

Efficiently captures debris, sand, and uneaten food before entering the filtration system to maintain water clarity.

Protects protein skimmer and other equipment from damage caused by rock or sand particles.

Easy to install and remove for cleaning; reusable filter bag reduces waste and saves maintenance cost.

Fits standard 4-inch diameter filter socks; durable acrylic mount measures 17×15cm, suitable for most reef and freshwater tanks.