Purchase Qty. Reference FOB Price
2-9 Sets US$650.00
10-49 Sets US$550.00
50+ Sets US$480.00
Product Description
Hydraulic drive automatic backwash sand filter for swimming pool Sand filter with hydraulic backwash valve controlled by Solenoid valve. No power needed, battery drive control panel 5-9V DC pulse solenoid Also can be controled by PLC or LCD. Suits for opensite no electric power supply area. ...