Five-stage filters set - Vietnamese

First stage: purification 10 times the impurities compared to regular candles using 3-layer technology starting with a 5-micron pore size and reaching 1 micron, ensuring 99.9% purification of impurities. The candle's efficiency lasts up to 6 months. Second stage: absorbs 99.9% of chlorine, color, taste, and odor. A distinctive design makes correct installation easy. Its efficiency lasts up to 6 months. Third stage: completes the second stage in purifying 99.9% of chlorine, taste, odor, and gases, with a carbon protection against breakage. Its efficiency lasts up to 6 months. Fourth stage: high-quality membrane with a 0.0001-micron pore size, efficiently purifies harmful salts, bacteria, viruses, and heavy metals, exceeding the efficiency of a regular membrane by 4 times. Lasts from 12 to 24 months depending on the salt percentage. Fifth stage: absorbs any remaining traces of chlorine, color, taste, and odor. Its efficiency lasts up to 12 months.