1. water purifier , water purification, deionized water machine , water treatment 2. we have our professional technician BOF-L-Z pure water machineProduct characteristicAdopting flame retardant ABS plastic ... .5L/minmachineASB plastics, rust-proofRemarks; most tap water, surface water ,ground water ,storage water, reservoir watercan be the source water of BOF upgrading type pure ...