These are the most common porta potties you will come across. They are mainly found in outdoor events in clusters. They can be cleaned and emptied on-site; therefore, are less demanding. They are also the cheapest option in the market, so if you are looking for a porta potty for an event that will last a few hours, this is the jackpot.Standard transportable potties are usually a single unit portable bathroom. That is why they are hired in clusters for outdoor events with many people. They do not flush, and they lack a sink. They are very basic in short. However, a rental company may provide additional features, such as mirrors and lighting. These porta potties have a tank that holds 60 gallons of water only. The walls are also reinforced, and the locking is secure. The average size of a standard is 43-46 inches in width, 46-48 inches in depth ad 88-91 inches in height.