Provided is a gas permeable member including a gas permeable sheet configured to allow a gas to permeate therethrough and a holder configured to hold the gas permeable sheet, wherein the holder includes an insertion part into which the discharge part of the container body can be inserted, and a discharge opening through which the gas discharged into the holder from the discharge part inserted in the insertion part can be discharged to the outside of the holder, and the gas permeable sheet is held so as to intersect a gas flow path formed between the discharge opening and the discharge part inserted in the insertion part.