Function International Public Company Limited engages in manufacturing, importing, and distribution of water treatment products in Thailand and internationally. It offers household water purifiers, water purifier RO systems, and filters; commercial water purifiers, hot-cool machines, water vending machines, and watermakers; water purifier TRT and FRP tank and media; filter media products; and pumps and valves. The company sells its products under the Aquatek Silver, Treatton, WACO, Unipure, Unipure Green, Unipure Blue, Hydro Max, Star Pure, Fast Pure, BIO MAX, Dosag Pump, Ultratek, CNP, HP Watermaker, PENTAIR, RUN-XIN, SUEZ, and VONTRON brands. Function International Public Company Limited was founded in 1997 and is based in Khlong Sam Wa, Thailand. Address: 313 Charoen Phatthana Rd, Khlong Sam Wa, Thailand, 10510