What is V WIRE Filter Screens? V-Wire Filter Screens are fabricated in Pipe Form from Wires. All Welded Wedge Wires Screen is made from 2 elements - outside V-shape Wire and inside Longitudinal Rods. The V-shaped Wire is spirally wrapped on a cage made of Longitudinal Rods. The intersecting of shaped wire and rod is welded through each other by resistance welding. Due to resistance welding the weld joined is very strong.