The TOP-PU-WST3F is a practical all-in-one water purifier. Its filtration system, comprised of PP cotton, CTO activated carbon, RO reverse osmosis membrane, and T33, provides deep water purification. It can be equipped with two or three taps, offering flexibility for various usage scenarios. Its 1L hot water tank, coupled with 550W of heating power, produces 5L of hot water (88-97°C) per hour. Its 3.4L cold water tank, coupled with 90W of cooling power, produces 2-3L of cold water (5-10°C) per hour. It can purify 75 gallons of water daily. With dimensions of 310x365x960mm and packaged in 325x380x980mm, it easily fits into homes and small offices, providing convenient hot and cold purified drinking water services.