PROBLEM TO BE SOLVED: To provide a contaminant removal filter with a humidity conditioning function capable of removing fine contaminant in gas passing through a filter, and simultaneously imparting or removing humidity without requiring in particular, hydration means and also heating means.SOLUTION: A filter 100 with a humidity conditioning function for removing contaminant in gas includes a filter medium for removing contaminant by allowing gas to pass therethrough, and a humidity conditioning material provided integrally with the filter medium or separately therefrom, for adding and/or reducing humidity simultaneously with contaminant removal from the gas.COPYRIGHT: (C)2016,JPO&INPIT【課題】フィルタを通される気体の微細な汚染物を除去すると同時に、特に水分補給手段も加熱手段も必要とすることなく、湿度を付与し、あるいは除去することが調湿機能付き汚染除去フィルタを提供する。【解決手段】気体中の汚染物を除く調湿機能付フィルタ100であって、前記気体を通すことにより、汚染物を除くための濾材と、該濾材と一体もしくは別体に設けられて、前記気体の汚染物除去と同時に湿度を加え、および/または減じる調湿材とを備えることを特徴とする。【選択図】図1