THE AQUAGUARD REVIVA IS A GREAT WATER PURIFIER IN TERMS OF GETTING CLEAN AND SAFE DRINKING WATER.THE DESIGN HAS BEEN PRETTY IMPRESSIVE AND LOOKS QUITE MODERN TOO.THE BUILD QUALITY IS GOOD AS USUAL WITH AQUAGUARD DEVICES.IT HAS ONLY RO PROCESS TO CLEAN UP THE WATER AND DOES NOT HAVE UV, SO IT IS NOT THAT GOOD AS THE UV DEVICES ARE BUT THE RO PROCESS IS VERY EFFICIENT AS WELL AND OFFERS YOU GREAT DRINKING WATER.