Water purified for drinking purposes is simply called nam deum (drinking water), whether it is boiled or filtered.
Planning a visit to Laos? You can expect to see a ton of interesting things during your trip to Laos such as ancient temples, rice fields, natural parks, Buddhist monks and shrines, as well as enjoy memorable experiences such as cruising the Mekong River.
The politics of Laos takes place in the framework of a single-party socialist republic.