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3 m water purifier how to open the front filter bottle? What tools do we need to replace the front filter?1 special wrench, 1 live wrench, 1 screwdriverNote: There will be water overflow during the replacement process. please prepare water basins, towels and other utensils.What is the specific process of replacing the front filter core?1. close the inlet tee ball valve (Note: When the ball valve is perpendicular to the tee, it is closed ).2. unplug the two hoses at both ends of the front filter and note the connection direction of the hose.Method of pulling out the hose: press and hold the card ring at the top of the white quick joint with your finger and pull out the hose at the same time.Note: Be sure to hold down the card ring before pulling out the hose.3. turn the black end of the front filter down and control the water inside.4. use a live wrench to screw down the white quick joint at the front filter outlet (with the 'OUT' mark.Plug the one-shaped screwdriver from the outlet (with the 'OU

Is the well water clean with a sterile filter? Will be cleaner,You really want to be sterile. you just drink distilled water !And these machines will be dirty!