bisonian
Well-known member
If you want to see a U.S.-built, Advance-designed Carpetwin, try this one -- the current model of a machine that's been in production for 40+ years:
http://www.advance-us.com/Products/Commercial/Vacuums/CarpeTwin16XP.aspx
http://www.advance-us.com/Products/Commercial/Vacuums/CarpeTwin16XP.aspx