1. This machine depends on the high compression activate carbon filter of service life valid percolation capacity the patent of the united states water flowmeter set up for 1500 gallons of percolations capacity.
2. When the water current quantity accumulation has exceeded the activate carbon filter valid life hour 1500 gallons the flowmeter switch will close automatically, can't pay the water. Note: Indicating the direction is an "OFF".
3. Remind at this time that you need to change the high compression activate carbon filter to insure drinking quality.
4. After changing the filter, then depend on the flowmeter of water to agreeable clock direction to turn to go to the filter the valid capacity 1500 gallons, can immediately use and safeguard your drinking quality again.