I've got a simple vacuum distillation setup but no vacuum source. I need to pull 10 Torr. I also don't want to break the bank. I'm considering using an air compressor and aspirator, but I don't know if it will be adequate. this is the http://www.overstock.com/Auto-Parts...=123620&fp=F&ci_src=14110944&ci_sku=11183135"