If you have visible impurities, bacteria, virus or bad odor in your water then you can use this filter in your house, hotel or restaurant. TopKlean brand launched a perfect UV water filter in a reasonable price. It will purify water by your water pressure. You can hang it in your wall or also you can set it under your kitchen sink. It will purify your water by 5 different stages. First three filters are 10’’ long and 2.5inc. width. Fourth stage has post carbon filter. And then we used Ultra Violet technology in the fifth stage which has a 6wat UV light. You will get 1GPM (Gallon per minute) water from it. It will remove mud, dirt, sand, bad odor and it will kill bacteria, virus from your water. It will make your water useable.