Nothing is easier to use. Simply connect it to the compressor via the quick disconnect, set the pressure to about 20psi, and then open the valve. The pump runs quietly and can generate a significant vacuum. I used it to flush the power steering on my 2000 suburban. He took the lid off the tank, wrapped the neck of the tank in electrical tape, poked a hole with a knife, then stuck it out of this pump and started it. Light. You could definitely make something like this yourself, but for this device, which only costs $25, I'd say it's definitely worth buying.
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