Calux, trying to produce best performance purifiers, is committed to R & D, manufacture and sell water filters, particularly specializing in home purification materials, product designing and cost-lowering. Own brand, CALUX, is now one of China&＃039;s top ten brands in water purifier. Calux&＃039;s philosophy is to make water cleaner, life healthier, so quality is strictly under controlled, being warranted for 3 years !