Johnson Screen mostly refers to V - Wire Water Well Screen.Johnson screen is manufactured with V-shaped profile wire which is spirally wound around a cage of longitudinal support rods. Each intersecting point of these wires is fusion welded. The pitch of winding gives different spacing between two adjacent turns of wire. This spacing gives passage for water to enter. The entire process is completed on fully computerized machines.Typical Specifications: Diameter Available:1.5', 2', 3', 4', 6', 8', 10', 12', 14' Slot (mm):0.15, 0.25, 0.50, 0.75, 1.00, 1.50, 2.00, 3.00 Lengths 6 Mts. & 3 Mts. Material Low Carbon Galvanized Steel ( LCG ) and Stainless Steel ( SS-304)