LOOKING MFOR A USED MACHINE WITH A GOOD VAC PUMP WOULD LIKE ANY INFO OF SITES TO VISIT AND A GOOD CFM RATE 1.5 COMPARED TO 3 CFM ,WHAT MAKES THE DIFFERENCE IM THINKING THE 3 WILL BOIL THE MOISTURE MUCH BETTER IF I COULD GET SOME THOUGHTS,THIS IS FOR PERSONAL U... Login to read more.