| Model | 6-18 | 6-24 | 6-30 | 8-18 | 8-24 | 8-30 |
| Dimensions | 12.25" x 7.25" x 18" | 12.25" x 7.25" x 24" | 12.25" x 7.25" x 30" | 14.25" x 9" x 18" | 14.25" x 9" x 24" | 14.25" x 9" x 30" |
| Base Dims | 7.25" x 12.25" | 7.25" x 12.25" | 7.25" x 12.25" | 9" x 14.25" | 9" x 14.25" | 9" x 14.25" |
| Chamber Diameter | 6" | 6" | 6" | 8" | 8" | 8" |
| Water Input | 0.5" | 0.5" | 0.5" | 0.75" | 0.75" | 0.75" |
| Air Input (hose barb) | 0.125" | 0.125" | 0.125" | 0.125" | 0.125" | 0.125" |
| Drain | 1" | 1" | 1" | 1" | 1" | 1" |
| Flow Rate Min-MaX | 150-250gph | 250-350gph | 300-400gph | 300-400gph | 400-550gph | 500-700gph |
| Aquarium Rating | 50-75gal | 75-150gal | 125-200gal | 150-225gal | 200-300gal | 350-550gal |
| Air pump | ||||||
| Water Pump Recommendation | Sicce 1.5 or equiv | Sicce 2.0 or equiv | Sicce 2.0 or equiv | Sicce 2.0 or equiv | Sicce 2.0 or equiv | Sicce 2.0/3.0 or equiv |