I am looking for a scissor steps to get into the back of a camping ute. We have a couple of friends who would like to know as well. The ute is 1200 high.
Yes, the plenum 4 will work.
See following link for the info: http://www.gortergroup.com/en-english/ladders-and-stairs/extension-of-scissor-stairs-attic-ladder/extension-of-scissor-stair-attic-ladder-large-and-fire-rated-ei-60.html . The bottom bit of the scissor stair you can use for that