The bridge slot screen produced by our company is mainly made of stainless steel 304, 304L, 316 and 316L. The bridge slot screen pipe has exact slots and it’s an ideal well filter with excellent corrosion resistance. The special bridge structure makes it difficult for sand and gravel to block the slot, and improves the filtration efficiency of the bridge slot screen. The wall thickness of our bridge slot screen pipe is generally 2-8mm, the pipe end usually has threaded connection, welding and flange connection. We can also customize bridge slot specifications, outer diameter size and length as customer requirements. https://www.nayushiye.com/products/well-screen-and-steel-casing/bridge-slotted-well-screens.html