HygienicPro® BFD-570 AISI Type 304 stainless steel processing drain with smooth interior, 12in. (305mm) round top, AISI CF-8 cast grating, and bottom outlet (BO) or side outlet (SO). Model options include low (L), medium (M), and high (H) depths in 4" or 6" diameter outlet, Type 316L stainless steel (-316), and sediment bucket (-B).