Air Power America 2000LV LiquiVac Oil Changing System for Large Engine Easy to use; 40 pump strokes creates a powerful vacuum - no electricity needed Fast - just a few seconds to drain oil from a small engine, takes a few minutes for large engines 8 quart capacity for big project large engine changes or multiple small engine changes Portable compact size, allows for easy oil changes in tight spaces No mess from spills or inconvenient drain plugs - used oil and other liquids are stored safely for proper disposal