I am looking for a vacuum pump?

Well there really aren't many for $40 BUT I did some research and found some websites so here you go please tell me if it helps:

http://robinair.com/products/category.php

http://www.amazon.com/s/ref=nb_sb_noss?url=search-... pumps

http://www.comprevac.com/index.php?pg=Dry Vacuum Pumps

12-14 psig is absurd for what you want to do unless you have an absolute reference to that amount - 14.7 psig is the absolute maximum you can get (standard atmospheric pressure) so you are saying you have to pull a 0.7 to 2.7 vacuum which is very low and the reason you are getting such high prices

And pulling a vacuum for fiberglass over balsa has got to mean mat (or fine cloth) because fiberglass is porous and fiberglass plus set resin is rigid, so you need high volume to make up the air flow through the mat, which means a higher volume, lower pressure suction should work - have you explored to see whether an industrial or even home vacuum will meet your needs?

Not likely.

At $120, you are getting a good deal!