| 摘要 |
<p>The present invention relates to a length-adjustable fitting device of which the length can be adjusted according to the distance between two adjacent water purifying filters, which should be linked and joined with each other to allow fluid to flow. According to an embodiment of the present invention, the length-adjustable fitting device for water purifying filters includes: a fist joining part that includes a first fitting formed on one end portion thereof and consists of a first length adjustment part in the predetermined length and in the shape of a hollow cylinder; and a second joining part that includes a second fitting formed one end portion thereof, is joined with the first length adjustment part to be able to slide and move, and consists of a second length adjustment part in the predetermined length and in the shape of a hollow cylinder.</p> |
