

Model |
Dimension LxWxH |
Bio Balls Gallons |
Tank usage/Intake(s) |
| WD-75CS | 18x10x16 | 3 | 10-75 Gallon,Single |
| WD-100CS | 18x12x16 | 3.3 | 75-100 Gallon,Single |
| WD-125CS | 24x12x16 | 4.5 | 100-125 Gallon,Single |
| WD-150CS | 24x12x16 | 4.5 | 125-150 Gallon,Dual |
| WD-200CS | 30x12x16 | 6 | 150-200 Gallon,Dual |
| WD-300CS | 36x14x16 | 10 | 200-300 Gallon,Dual |