FOUR UNCLES allows for quick and clean removal of automotive fluids. Especially useful for changing engine oil, coolant, and more. It allows fluid extraction even without unscrewing the drain plug. It is also suitable for bleeding brake systems. Fluid is extracted using a vacuum method into a 1.7-gallon tank. The tank is made of durable plastic, resistant to aggressive substances and temperature changes. A compressor connection is required for full use, but a manual pump is also included. The device comes with hoses of different sizes for use with various fluids.