Fully Automatic / Automatic Filtered Gravel System
| Product Code | In-Out | Filter Quantity and Diameter | Autofilt Filter | Flow Rate |
| Inch | cm | (m³/h) min-max | ||
| DF-YTO-462 | 4"/ Manshon | 2 pcs. 3"(24") | DFTFS-416 | 50-80 |
| DF-YTO-592 | 5"/ Flange | 2 pcs. 4"(36") | DFTFS-516 | 80-90 |
| DF-YTO-563 | 5"/ Flange | 3 pcs. 3"(24") | DFTFS-516 | 95-110 |
| DF-YTO-663 | 6"/ Flange | 3 pcs. 3"(24") | DFTFS-616 | 100-120 |
| DF-YTO-593 | 5"/ Flange | 3 pcs. 4"(36") | DFTFS-516 | 105-130 |
| DF-YTO-693 | 6"/ Flange | 3 pcs. 4"(36") | DFTFS-619 | 120-140 |
| DF-YTO-664 | 6"/ Flange | 4 pcs. 3"(24") | DFTFS-619 | 130-160 |
| DF-YTO-694 | 6"/ Flange | 4 pcs. 4"(36") | DFTFS-619 | 140-185 |
| DF-YTO-895 | 8"/ Flange | 5 pcs. 4"(36") | DFTFS-819 | 190-280 |