These are some of the finest pumps on the market. All stainless steel pump. Low pulsation valve design and intergrated pressure regulator panel. Low Maintenance with only 3 moving parts. Available as bare pumps as well as 5 and 55 gallon outfits. These units can be used as a transfer pump to move materials from one location to another or as supply pumps to supply a tool such as a spray gun. The CAT offers a low pulsation valve design and intrated pressure regulator panel. Add a pulse chamber for pure consistent material flow.