PROBLEM TO BE SOLVED: To provide a drinking water server capable of preventing the entry of bacteria accompanying outside air introduction and suppressing the multiplication of the bacteria in the drinking water server by a simple configuration.SOLUTION: The drinking water server includes an air filter 1 for introducing outside air, the used air filter 1 having protecting porous films fixed to both sides of a fluororesin porous film having a pore size of 0.2-0.8 &mum, and an antibacterial member 2 installed in a tank, the antibacterial member 2 having a plurality of granular antibacterial agents sealed in a water permeable porous bag, the granular antibacterial agents constituted of low-density polyethylene and ion exchangers having an ionic bond between silver ions and zeolite.COPYRIGHT: (C)2012,JPO&INPIT【課題】簡単な構造により、外気取り入れに伴う細菌類の侵入を防止するとともに、飲料水サーバ内での細菌類の繁殖を抑制することができる飲料水サーバを提供する。【解決手段】飲料水サーバにおいて、外気取り入れ用のエアフィルタ1として、孔径0.2~0.8μmのフッ素樹脂製多孔膜の両面に保護用多孔膜が固定されてなるものを用いるとともに、タンク内に、低密度ポリエチレンと、ゼオライトに銀イオンをイオン結合させたイオン交換体とからなる複数の粒状抗菌剤を通水性多孔袋に密封してなる抗菌部材2を設置する。【選択図】図1
