Air Stone for Aquariums is the best choice for supplementary aeration in large tanks and primary aeration in small tanks (five gallon or less). Can be used as a diffuser/circulator in undergravel filter lift tubes.
The best choice for supplementary aeration in large tanks and primary aeration in small (five gallon or less) tanks. The cylindrical stone can also be used as a diffuser/circulator in undergravel filter lift tubes. Cylindrical 7/16" dia.
844-200-1455
