Liquid Transfer & Clean-Up Systems, 55 US Gal. (208.2 Litres) CapacityTransforms an ordinary 205L drum into a powerful liquid vacuum cleaner; a simple two way air control valve and 80 100 PSI air pressure allows pumping to a sealed drum Larger tank (205L) capacity than industrial shop vacuums Safe in wet areas, no electricity; eliminates the risk of electric shocks often associated with electric pumps Eliminates double handling of toxic materials and emptying of vacuum container Eliminates need for cloth and granular