This 4-inch by 1-inch, clamp by clamp, eccentric reducer from Dixon is a High Purity BioPharm fitting that meets the latest edition of the ASME BPE Internatonal Standard for bioprocessing equipment. It is made from 316L stainless steel and has a SF4 - PM finish. This eccentric reducer is commonly used in pharmaceutical, bioprocessing, semiconductor, cosmetics, food processing and beverage applications.