The original imported Culligan central water purifier MF-8-I-AC from the United States. Note: The above prices do not include material costs and installation fees. Quadra-Hull multi-layer activated carbon bucket, polyethylene inner liner, reduces secondary pollution of purified water quality caused by the internal environment. The fiberglass reinforced plastic cylinder is resistant to high-intensity water pressure impact. Uv-resistant polypropylene shell, dual protection for greater safety. It can withstand a wider range of wading temperatures, endure high and low temperatures, and has more reliable quality.