Applicable house type：80㎡以内　　　The resident population：1-3人
Small residential, home ownership or rental housing；no outdoor water demand; there is a need to improve drinking water quality；Limited budget, or lack of space，unable to install a large flow of water softeners in charge of road，the small soft water machine is installed in the bathroom, with bath, water heater, washing water demand，provide bath, water heater, washing water demand。