| 摘要 |
PROBLEM TO BE SOLVED: To provide a water quality improvement cartridge for water supply to pets, which facilitates the accommodation in and attachment to a water supply bottle 5 by inexperienced people without soiling hands, the periphery, or the like and is attached to the water supply bottle 5 reliably and firmly in a proper position, in the water quality improvement cartridge used for improving the water quality of accumulated water in the water supply bottle 5 in supporting the water supply bottle 5 by a bottle stand 6 in an inverted posture.SOLUTION: A water quality improvement cartridge for water supply to pets, includes a cylindrical casing 2 which can fit into a water supply bottle 5 and a water quality improvement member 3 housed in the cylindrical casing. In the cylindrical casing 2, a flange part 20 is provided which becomes in a sandwiched state by making contact with both a tip end surface of a mouth part 5b of the water supply bottle 5 and a ring-shaped seat part 8a opposing to the tip end surface of the mouth part 5b of the water supply bottle 5 in a bottle receiving part 8 of a bottle stand 6 by protruding outward in a diameter direction over the entire circumference on an outer peripheral surface on one end side.SELECTED DRAWING: Figure 6 |
