Filter Valve
With a strainer at the bottom of the valve. The filter valve can prevent back-flow and increase the suction ability.
| Model | Connection | Material | Pump Model Apply |
| Body | Ball | O Ring |
| SFV-4×9 | ø4×9mm | PVC | Ceramic | FKM | B10/B15/B20/C15/C20 |
| SFV-8×13 | ø8×13mm | EPDM | B30/C30/C35 |
| SFE-4×9 | ø4×9mm | FKM | B10/B15/B20/C15/C20 |
| SFE-8×13 | ø8×13mm | EPDM | B30/C30/C35 |
