Wedge wire screen is made of wedge-wound wire and longitudinal support wire. It’s produced on automatic machines. Wedge-wound wire and support wire are welded together, and it's the most popular filter tube type. Wedge wire screen pipe is also known as Johnson screen and all-welded wedge wire screen. Stainless steel wedge wire screen is the main product of our company. Our wedge wire screen has the characteristics of not easy to block and large filtration area. The strength of the stainless steel wedge wire screen is longer than that of other materials. https://www.nayushiye.com/products/well-screen-and-steel-casing/wedge-wire-screen.html