Posted by geo on June 17, 19101 at 16:01:17: via: or 152.163.194.177
In Reply to: window unit/vacuum pump posted by Chris on June 17, 19101 at 12:19:44:
I read somewhere on this site that a refrigerator compressor works better and some of them may be two stage, even so they cant match the performance of a good vacume pump.