Filter Sock, 4 x 8 in, 100 Micron

This filter sock catches debris in your sump or filter before it circulates through your aquarium. It is rated at 100 micron and measures 4 x 8 in. Fit it over the sump drain so water passes through the fabric.

• Size: 4 x 8 in
• Rating: 100 micron

Rinse or replace the sock regularly so water keeps flowing freely through it.