Eshopps 4” Filter Sock
$18.60
An Eshopps 4" filter sock (single). Filter socks catch debris, uneaten food, and particles as water drains into the sump.
Why We Use It
Socks are the easiest way to polish water and keep detritus out of the sump.
Use: Fits standard 4" sock rings. Change every few days to a week, before it clogs and overflows.
