THE OXYAURA ALKALINE FILTER TRANSFORMS NORMAL WATER INTO ALKALINE, TO REDUCE MANY COMMON WELLNESS ISSUES WHICH ARE CREATED BY ACID / ALKALINE IMBALANCE. OUR ALKALINE PH+ FILTER INCREASES THE OXYGEN CONTENT OF YOUR DRINKING WATER UP TO 25% AND INCREASE THE PH OF YOUR WATER TO HELP MAINTAIN THE OPTIMAL PH FOR YOUR BODY. HAVING THE RIGHT PH LEVEL LOWERS STRESS ON YOUR ORGANS AND HELP PREVENT ILLNESS AND DISEASE. USE THIS FILTER AFTER RO MEMBRANE TO MAINTAIN THE ALKALINITY OF WATER AND ALSO REDUCES THE ORP AND GIVES BEST PH. AVAILABLE IN 3 RANGES AND QUALITIES.