Well point screen for dewatering is an incorporate.These incorporate a self Jetting head with a non-return ball valve, a stainless steel slotted filter screen, a G.I inner drain pipe and a top coupling which threads to standard 40mm riser pipe. The serations on the jet head render penetration, even through hard grounds, easy. Specially designed slots of stainless steel screen, allows maximum water flow with minimum pressure drop and prevents passage of even fine material. The screen eliminates clogging due to corrosion or deterioration due to chemical action. It has a reverse self cleaning design to void choking.