1 Cube Activated Carbon for ECOsmarte Point-of_Entry Water Treatment Systems.
Standard System 1" valve - requires one cube per tank
Light Commercial 1 1/2" valve - requires (minimum) 2 cubes per tank.
Light commercial systems with 1 1/2" valve and larger than 12" tank diameter, please email us tank diameter for correct amount.
*Required gravel base is included with purchase*