concentric reducer is well protected, quality, compact, good, and the appearance flat, smooth. 1) Specification: 1 / ... 2 "-6", applied to the stainless steel pipeline system2) Material quality: AISI304, 304L, 316,316 L3) Flux domination of pipeline: DN12 ... , Union, Clamps, Sightglass, Cleaning balls and so on. concentric reducer(best price)