Five (5) Pack
100% Polyester
FILTER MEDIA BAGS ( Carbon Socks )
Salt & Ozone Safe

800Mc   4" x 8" Bags with Ties

USE:  For holding Filter Media like Carbon, Zeolite, Phosphate Remover, and other Media requiring a bag to allow free flowing water to process with out restriction through the media but without letting the media release into the system.

Here's a picture of a carbon sock being put into an Aquarium Sump filled with carbon.