Cleans closed and open-head 55-gallon (200 1) drums on the inside by rinsing them with solvent or other cleaning solutions. This easy-to-use device with a 80 PSI spray head ensures a thorough cleaning of smaller containers up to 200 1 capacity. With optional nitrogen purging and other safety-related details, the Drum Washing System SPF meets the highest standards of explosion-proof design. All electrical parts are UL, FM & CSA listed.