Johnson wedge wire screen
The continuous slot wire-wrap screen is used throughout the world for water, oil, and gas wells, and for environmental well completions. It is the dominant screen type used in the water well industry. this type of screen is constructed by winding cold rolled triangular V-shaped wire around a circular array of longitudinal rods. the wire is welded to the rods and produces a rigid unit that has high strength and minimum weight.   
Technical Information:
Specification (wedge wire):
Width(mm): 1.50 1.80 2.30 3.00 3.30 3.70
Height(mm): 2.20 2.50 2.70 3.60 4.30 4.70 5.60 6.30 7.00
Specification (support rod):
Width(mm): 2.30 3.00 3.30 3.70 Height(mm): 2.70 3.60 4.70 5.60 6.30
Round: From 2.50mm to 6.0mm
Note: other specifications available as per request
Slot size : 0.10, 0.15, 0.20, 0.25, 0.30…… 6.00mm also achieved upon request.
Material: galvanized low carton (LCG), stainless steel (304,316 etc.)
Length  up to 6 meters.
Diameter  from 25mm