"Michael Koblic" wrote:

What am I missing here? Is this comparison at all valid?

Vactra 1, 2 and 4 have tackifiers that help it stay adhered to the ways.

From what I've been told Vactra 4 is for vertical column machines.

Wes
--
"Additionally as a security officer, I carry a gun to protect
government officials but my life isn't worth protecting at home
in their eyes." Dick Anthony Heller