"洗水喉" results

1. Branch pipe   2. The filter cartridge tends to turn yellow easily   3. A long time ago   4. Any time    5. No  

1. Not sure. Ask PRO for advice   2. 21-30 floors   3. The water colour is turbid and mixed with sand and gravel   4. Never clean it before   5. Any time   

1. 1   2. 1   3. Nothing, just want to clean it   4. Never clean it before   5. Any time   

1. 1   2. 2   3. The water colour is turbid and mixed with sand and gravel   4. Never clean it before   5. Any time   

1. Branch pipe   2. The filter cartridge tends to turn yellow easily   3. Never clean it before   4. Any time    5. No