Dual-action filtration system consisting of a special deacidifying and stabilizing filter bed made of calcined dolomite and an inlet Melt Blown filter layer with a filtration rating of 5 micron. The filtering material neutralizes any potential acidity of potable water by adding alkaline calcium and magnesium ions, helping to stabilize the treated water. The high quality of the filtering material helps limit product oversaturation after system downtime, making the filter particularly suitable for conti