... polished 4. Standard: ISO,DIN,IDF,SMS,3A Product Name 90 degree Filter/ StrainerMateiralSS304,SS316,SS316LSizeDN15-100,1/2"-4"PolishMirror polished ... ,Clamped,ThreadedApplicationPharmacy,beer,food,dairy,beverage,cosmetic,chemical industry Food Grade - 90 Degree Strainer