FILTER FOR REMOVING GASEOUS SUBSTANCE

摘要

PURPOSE: To simply perform mounting on a filter unit and to improve removing performance of a gaseous substance. CONSTITUTION: This filter is provided with a sheet-like filter 13 in which a metal fiber sheet 14, an activated carbon layer 15 and a nonwoven cloth filter 16 are laminated, a metal fiber 17 arranged in the activated carbon layer 15 and an approximately U-shaped needle 19 inserted from the top and the bottom of the sheet-like filter and with returns 18 on both ends.