Table 1. Sanitary compliance Property Specification Hygienic design 3‑A 46-04 EHEDG Compliance marks 3‑A, EHEDG 1 Biocompatibility USP Class VI <88>, 70 °C ADI free (Animal Derived Ingredients) Yes 1 For EHEDG compliant installation, use 2.5" / 4" sanitary gasket.