Filter Sock, 4 x 8 in, 200 Micron

This 200 micron filter sock is a mechanical filtration pad in sock form that traps particles and debris before they build up in your aquarium system.

• Size: 4 x 8 in
• Rated at 200 micron
• Type: filter sock for mechanical filtration

Rinse or replace the sock regularly, since a clogged sock can restrict water flow.