You are viewing our range of quality Portable Reverse Osmosis Systems for your home or office. Portable countertop reverse osmosis water purifiers are also known as benchtop reverse osmosis systems. They are easy to install, affordable, and are portable, making them perfect for people that are renting or traveling. They are also just as effective as an under sink reverse osmosis purifier in removing contaminants from your drinking and cooking water. Removes fluoride, chlorine, heavy metals, bacteria and so much more.