driven-point dewatering filter screen

"my email: [email protected] Guangxing wellpoint are excellent permanent or temporary wells used to monitor shallow groundwater, soil, and gas up to 25 feet below surface. These well points are ideal for initial site investigations and for long- or short-term applications. Specification::: These wellpoint dewatering filter system incorporate a self Jetting head with a non-return rubber ball valve, a stainless steel slotted filter screen, a G.I. inner drain pipe