| 摘要 |
PURPOSE: A water tank is provided to have the excellent water purifying function and to always use clean and healthful water. CONSTITUTION: A purifying sheet(3) is formed by mixing 30-40% of elvan particles over 3000meshes and 50-60% of a polyethylene resin. An inside purifying layer(40) is formed by integrally bonding the purifying sheets with a bottom portion(10) and wall portions(20). Many floated purifying media(50) are filled in an accepting space. The purifying media are formed by mixing 30-40% of the elvan particles over 3000meshes and 50-60% of the synthetic resin. Thereby, stored water is secured stably and the water quality is improved naturally.
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