Many customers are satisfied with the quality of our double layers pipe based sand control screens. Pipe based sand control screen is made of perforated screen pipe and wedge wire screen. The double layers screen pipe has higher strength for deep wells with high pressure and high traction value. Double layers stainless steel screen pipe is the most advanced deep well sand control technology. The outside diameter, length, hole rate and wire size of the double layers sand control screen can be customized as customers’ requirements. https://www.nayushiye.com/products/well-screen-and-steel-casing/pipe--based--sand--control--screen.html