3-Stage Activated Glass Media for Swimming Pool Sand Filters.
Amazing Results for Crystal Clear Water.
Not to be confused with lower quality glass media.
INCLUDED WITH THIS PACKAGE DEAL
(1) 55lb Bag of Grade 3 Glass Media.
(1) 55lb Bag of Grade 2 Glass Media.
(4) 55lb Bag of Grade 1 Glass Media.
This is the appropriate package to use in most 300 to 350-pound swimming pool sand filters.
ZeroChlor Recommends AFM