When every I am talking about water and its purity my only trust is go on aqwaguard water .As we know there is so many problems are coming day by day regarding water purification.but the fact is that what we drunk ? Is this pure ? But the water purification system of evey area are not working properly and the supply water came dirty and smell .As well as me n my family also suffering from this condition .Then one day I watched t.v and saw the advertisement of aqwagrad ro + uv so thattime I was thing that its a better solution for keep safe and they I purchase its and I found that its being 4 yr there is no any problem regarding to ROwhen ever any little problem call the service center they came and fix it with out any cost .mence its a one time investment and changing filter is also very simple and easy .Price is avrage and design & style is fantastic.Over all my experience is good with disThanks