Description MEGA GROW 1000 Carbon Block Filter REMOVES: Chlorine, Herbicides and Pesticides, Volatile organic Contaminants (Chemical Contaminants, Benzenes, Toluene, Oils, THM’s, Detergents, PCB’s) Replacement every 11.000 liters or when clogged Valid for ECO GROW, POWER GROW 500 and MEGA GROW 1000
