FLUID PURIFICATION UNIT, AND FLUID PURIFICATION ASSEMBLY CONTAINING SAME

摘要

A fluid purification unit comprises a case where a cavity and a plurality of penetration holes connecting the inside and outside of the cavity and provided for the inflow and outflow of fluid are formed, and the case comprises: coupling protrusions which are formed on a first surface, have a first cross-sectional area and are arranged in a first direction at a first interval; and concave portions which are formed on a second surface to face the first surface, have a second size corresponding to the first cross-sectional area and are arranged at a second interval corresponding to the first interval.