ZeroChlor AFM Grade 2 (Medium) 30 lbs
FREE SHIPPING COAST TO COAST
NO RETURNS / NO EXCHANGES
This is the AFM GRADE 2 (Medium) which is usually used by pool owners in their sand filters as the second part of the 3-Stage Activated Glass Filter System. It is installed on top of grade 3 and under grade 1 inside the sand filter body.