Structure of room temperature tank, water server tank, or filter media cartridge of these dual purpose tanks

摘要

To provide a cartridge for a cold storage tank or a water server, these cartridges being attached to a bottom portion of an upper tank of the tank and communicating with a lower tank, whereby water falls quickly.SOLUTION: This tank is composed of an upper tank 1 and a lower tank, a tank for a water server, or a tank for these dual purpose, which is detachably attached to the bottom part 5 of the upper tank 1, and which is in communication with a lower tank In the cartridge 3, an annular rib 4 hanging downward on the bottom surface of the material cartridge 3 and having a predetermined width dimension is provided to provide an air reservoir X.(FIG.