Parker
01-29-2006, 06:07 PM
This AM I picked up 2 pumps I bought this spring,,they are Zero pumps,,I guess,, they both have castings that say MASSPORT,,,one says massport senior,,the other says massport 500-T,,,,the 500-t seems to have some serious vac,,any ideas on cfm and HG?,any intel greatly appricated,,,,Thanks,,Parker