• Only applicable to Reverse Osmosis Filtration system 
  • Please read the manual to see if RO Keeper is applicable to your system
  • Silicone rubber can be sterilized in boiling water (Please sterilize every 3 months to enusre the product's sanitation)
  • To prevent electrolyte leakage, please sterilize the scilicone rubber periodically
  • The detector is water resistant NOT water repellent, as in it can't be soaked in water
  • Ro Keeper is for residential use, the reading shown is an approximation, which means there would be errors in measurement
  • Zinc-Carbon batteries are recommended for this product
  • The one-year warranty does not extend to defects or damage resulting from accident, misuse, abnormal use or exposing the circuit board under high humidity, etc.