PURPOSE: A structure for installing a water purifier is provided to reduce time and costs for replacing filters by easily replacing three or four filters mounted on the water purifier by pressing a locking button. CONSTITUTION: A housing(1) receives a plurality of filters. An upper housing(3) is combined with the upper side of the filter to determine the position of the filter and includes a penetration hole to expose the inlet and outlet formed on the upper side of the filter. A path cover is detachably fixed to the upper housing and includes a locking unit to fix or separate the filters. The locking unit is formed on the upper side of the filter.
