Screen Tube Material: Woven mesh, Perforated mesh,Welded mesh, made of stainless steel 304,304L,316,316L,317L,904L &Monel,Hastelloy etc. Features: excellent resistance to acid, alkali, wearing, and distortion; good purification for liquid or particles 5-500um; large flow, reusing possible after washing. Specification: single layer or multi-layer mesh welded by spot welding and seam welding. Available shape: column, taper, or straw hat shape, with various shapes and sizes.