The present invention cat, pet animals urolithiasis such as a dog, the lower urinary cystitis, etc. so that it is not suffering from the road disease, calcium from the drinking water, magnesium, and the like to easily reduced, and to provide a companion animal for water purification equipment for water purification. A purification water tub 2 is formed in the lower part, the purified water tank body 1 having an opening and closing valve 8, which leads to the outlet 3 which is formed on the front holder fitted on top of the purified water tank body 1 and supporting the raw water tank body 10, the raw water was fed to the raw water tank body 10 is introduced, calcium, includes a cleaning unit 23 to reduce purify the magnesium to derive a clean water cleaning water tank unit 2, the bottom of the raw water tank body 10 The formed by a filter cartridge 20 which is supported on. Filter cartridge body 20, the lidding with the case lid 27 having a raw water inlet hole 29 which is positioned in the raw water tank body 10, and the water purification housing 21 has a purified water holes 22 positioned in the cleaning water tank 2, The constituted by providing a cleaning unit 23 composed of a cation exchange resin material layer 24 and the active carbon material layer 26 that was HaiSo around this you HaiSo the center.BACKGROUND 1【課題】猫、犬等の愛玩動物が尿路結石症、膀胱炎等の下部尿路疾患に罹患しないように、その飲料水中からカルシウム、マグネシウム等を手軽に軽減し、浄水化する愛玩動物用浄水具を提供する。【解決手段】下部に浄化水槽部2を形成し、前部に形成した導出口3に通じている開閉弁8を有する浄水槽体1と、浄水槽体1の上部に嵌め入れ支持した原水槽体10と、原水槽体10に供給した原水を導入し、カルシウム、マグネシウムを軽減浄化して浄化水槽部2に浄化水を導出させる浄化部23を備え、原水槽体10の底部に支持したフィルターカートリッジ体20とを備えて成る。フィルターカートリッジ体20は、原水槽体10内に位置決めした原水導入孔29を有する筐体蓋27で施蓋し、また浄化水槽部2内に位置決めした浄水孔22を有する浄水筐体21内に、中央部に配装した陽イオン交換樹脂材層24及びこれの周囲に配装した活性炭材層26から成る浄化部23を設けて成る。【選択図】図1
